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Use the A-Z list to browse more than 6,000 health-related topics in our library. Clicking on a term opens the definition and, in most cases, links to more information.
Topic Index
- + pH
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- pH
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Measurement of the hydrogen ion concentration (acidity) of a solution. It is expressed on a scale from 0 to 14 (7 is neutral, less than 7 is acidic and greater than 7 is basic).
- + Phakomatoses
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- Phakomatoses
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Also Known As: "Mother Spot Disease"
Any of a group of disorders of the nervous system and skin that are present at birth and probably hereditary and are characterized by the development of benign, tumorlike malformations in various tissues.
More Information on Phakomatoses: Birth & Genetic Disorders
- + Phalloidine Poisoning
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- Phalloidine Poisoning
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"Phalloidine Poisoning" is more commonly referred to as "Muscarine Poisoning" in the medical community.
Muscarine Poisoning
Also Known As: "Mushroom Poisoning, Amanitin Poisoning, Toadstool Poisoning"
Food poisoning that results from eating certain types of toxic mushrooms.
More Information on Muscarine Poisoning: Gastroenteritis & Food Illness
- + Phantom Limb Pain
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- Phantom Limb Pain
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The sensation of pain that is felt in an amputated or missing limb.
More Information on Phantom Limb Pain: Arm & Leg Pain
- + Pharmacist
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- Pharmacist
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A medical profession trained and licensed to dispense prescription medications and to provide information associated with those medications.
More Information on Pharmacist: Healthcare Basics
- + Pharmacological Stress Test
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- Pharmacological Stress Test
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Also Known As: "Dobutamine Stress Test, Dipyridamole Stress Test, Persantine Stress Test, Adenosine Stress Test, Epinephrine Infusion QT Stress Test"
A test (e.g., an EKG or echocardiogram) that shows the activity of the heart both at rest and shortly after physical stress. A chemical is injected to show what the heart would be doing under physical stress, though the person is at rest.
More Information on Pharmacological Stress Test: Heart Imaging & Rhythm Tests
- + Pharmacotherapy
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- Pharmacotherapy
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Treatment of disease through the use of drugs.
More Information on Pharmacotherapy: Psychiatric Medications
- + Pharyngeal Diverticulum
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- Pharyngeal Diverticulum
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"Pharyngeal Diverticulum" is more commonly referred to as "Zenker's Diverticulum" in the medical community.
Zenker's Diverticulum
Pouches in the esophagus that result from increased pressure in and around the esophagus.
- + Pharynx
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- Pharynx
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A passageway at the back of the neck that connects the mouth and nose to the lungs and stomach. It is part of the respiratory system.
More Information on Pharynx: Nose & Throat
- + Phase Contrast Magnetic Resonance Imaging
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- Phase Contrast Magnetic Resonance Imaging
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Also Known As: "PC-MR"
A magnetic resonance imaging (MRI) scan performed after the injection of a contrast medium (a dye that makes blood vessels more visible). PC-MRI may be better than an angiogram at detecting whether a vessel has closed after an angioplasty.
More Information on Phase Contrast Magnetic Resonance Imaging: Heart Imaging & Rhythm Tests
- + Phase Contrast MRI
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- Phase Contrast MRI
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Also Known As: "Phase Contrast Magnetic Resonance Imaging, PC-MR"
A magnetic resonance imaging (MRI) scan performed after the injection of a contrast medium (a dye that makes blood vessels more visible). PC-MRI may be better than an angiogram at detecting whether a vessel has closed after an angioplasty.
More Information on Phase Contrast MRI: Heart Imaging & Rhythm Tests
- + Phase of Life Problem
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- Phase of Life Problem
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Category used for problems associated with a particular developmental phase or another life circumstance. Such problems usually are not the result of a mental disorder or are significant enough to warrant independent treatment.
- + Phencyclidine
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- Phencyclidine
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"Phencyclidine" is more commonly referred to as "PCP" in the medical community.
PCP
Also Known As: "Angel Dust"
A drug developed in the 1950s as an intravenous anesthetic. Today, it is sold illegally as a recreational drug. It can cause symptoms that mimic schizophrenia, such as delusions, hallucinations, paranoia and disordered thinking.
More Information on PCP: Alcohol & Substance Abuse
- + Phenelzine
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- Phenelzine
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Also Known As: "Isocarboxazid, Tranylcypromine"
A type of medication belonging to the drug class of MAOIs.
More Information on Phenelzine: Psychiatric Medications
- + Phenolic Acids
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- Phenolic Acids
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A group of phytochemicals found in coffee beans, some fruits, oats, potatoes and soybeans. They may serve as anticarcinogens (preventing cancer). They may also be sold as ingredients in dietary supplements.
More Information on Phenolic Acids: Herbs & Supplements
- + Phenolic Compounds
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- Phenolic Compounds
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Also Known As: "Polyphenols"
A category of phytonutrients that includes flavonoids (which can be found in many plant-based foods). They may act as antioxidants, and are associated with a lowered risk of cancer and heart disease.
More Information on Phenolic Compounds: Herbs & Supplements
- + Phenols
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- Phenols
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Also Known As: "Polyphenols, Phenolic Compounds"
A category of phytonutrients that includes flavonoids (which can be found in many plant-based foods). They may act as antioxidants, and are associated with a lowered risk of cancer and heart disease.
More Information on Phenols: Herbs & Supplements
- + Phenothiazines
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- Phenothiazines
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"Phenothiazines" is more commonly referred to as "Butyrophenones" in the medical community.
Butyrophenones
Also Known As: "Dibenzoxazepines, Thioxanthenes, Piperazines, Piperidines"
A class of medication belonging to a broader drug class called typical or conventional antipsychotics.
More Information on Butyrophenones: Psychiatric Medications
- + Phenylketonuria
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- Phenylketonuria
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Also Known As: "PKU"
A genetic disorder in which the enzyme that metabolizes the amino acid phenylalanine is lacking. It can result in brain damage.
More Information on Phenylketonuria: Newborn Care
- + Phenylpropionic Acid Derivatives
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- Phenylpropionic Acid Derivatives
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A group of medications that are alternatives to aspirin. Developed to reduce the gastrointestinal side effects from aspirin experienced by some patients.
More Information on Phenylpropionic Acid Derivatives: Pain Medications
- + Pheo
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- Pheo
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Also Known As: "Adrenal Gland Tumor, Pheochromocytosis"
A tumor (a mass of abnormal cells) that grows in specific body cells primarily found in the adrenal gland. They can cause the gland to produce too many hormones leading to severe high blood pressure. Tumors are usually benign, but can be cancerous.
More Information on Pheo: Blood Pressure
- + Pheochromocytoma
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- Pheochromocytoma
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Also Known As: "Pheochromocytosis, Pheo, Adrenal Gland Tumor"
A tumor (a mass of abnormal cells) that grows in specific body cells primarily found in the adrenal gland. They can cause the gland to produce too many hormones leading to severe high blood pressure. Tumors are usually benign, but can be cancerous.
More Information on Pheochromocytoma: Blood Pressure
- + Pheochromocytosis
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- Pheochromocytosis
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Also Known As: "Pheo, Adrenal Gland Tumor"
A tumor (a mass of abnormal cells) that grows in specific body cells primarily found in the adrenal gland. They can cause the gland to produce too many hormones leading to severe high blood pressure. Tumors are usually benign, but can be cancerous.
More Information on Pheochromocytosis: Blood Pressure
- + Pheromones
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- Pheromones
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Chemicals produced by a living organism that transmit a message to other members of the same species. While their use by insects is well-documented, speculation of their effect on humans remains controversial.
- + PHHI
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- PHHI
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"PHHI" is more commonly referred to as "Persistent Hyperinsulinemic Hypoglycemia of Infancy" in the medical community.
Persistent Hyperinsulinemic Hypoglycemia of Infancy
Also Known As: "Islet Cell Dysmaturation Syndrome, Diffuse Discrete Beta Cell Abnormality, Islet Cell Adenomatosis, Nesidioblastosis, Nesidioblastoma, Focal Adenomatous Hyperplasia"
A group of rare conditions (most often occur in infancy) in which the beta cells of the pancreas secrete too much insulin. While the opposite of type 1 diabetes (the body produces no insulin), it involves regular glucose testing as with diabetes.
More Information on Persistent Hyperinsulinemic Hypoglycemia of Infancy: Pediatric Diabetes
- + Phlebectomy
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- Phlebectomy
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Also Known As: "Ambulatory Phlebectomy, Venectomy"
A procedure in which a series of tiny skin punctures is used to remove smaller varicose veins. It is used in the treatment of peripheral venous disorders.
More Information on Phlebectomy: Vascular Disease
- + Phlebitis
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- Phlebitis
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"Phlebitis" is more commonly referred to as "Thrombophlebitis" in the medical community.
Thrombophlebitis
Also Known As: "Vein Inflammation, Postphlebitic Syndrome"
A condition in which a blood clot has formed in a vein (thrombus), often resulting in the vein's inflammation (phlebitis). There are two different types of thrombophlebitis: superficial vein thrombosis (SVT) and deep vein thrombosis (DVT).
More Information on Thrombophlebitis: Vascular Disease
- + Phlebography
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- Phlebography
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"Phlebography" is more commonly referred to as "Venogram" in the medical community.
Venogram
Also Known As: "Lower Limb Venography, Ascending Contrast Venography"
A test in which a special dye (contrast medium) is injected into the vein of the affected area prior to an x-ray so that the resulting film will reveal the shape, size and composition of the vein. It is generally performed to diagnose vein blockage.
More Information on Venogram: Vascular Disease
- + Phlebotomy
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- Phlebotomy
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A surgical opening in a vein for the purpose of removing or draining blood.
More Information on Phlebotomy: Vascular Disease
- + PHO
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- PHO
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A form of organization permitting hospitals and physician groups to jointly contract with a health maintenance organization (HMO). PHO networks provide patients with a full range of general and specialist services, but may limit choice of doctors.
More Information on PHO: Healthcare Basics
- + Phobias
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- Phobias
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Extremely strong, persistent and irrational fears of things, places, experiences or situations. These anxiety disorders may cause patients to experience high anxiety or panic attacks when confronted with the feared stimulus.
More Information on Phobias: Anxiety Disorders
- + Phonocardiography
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- Phonocardiography
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A mechanical or electronic recording of the heart's sounds.
More Information on Phonocardiography: Heart Imaging & Rhythm Tests
- + Phonological Disorder
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- Phonological Disorder
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Failure to use speech sounds appropriate for an individual's age and dialect. It is more common in boys. In some cases, phonological disturbances may actually stem from a disease other than this disorder.
More Information on Phonological Disorder: Attention & Learning Disorders
- + Phonophoresis
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- Phonophoresis
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Use of ultrasound to deliver medication through the skin to underlying tissues.
More Information on Phonophoresis: Pain Management
- + Phosphate Group
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- Phosphate Group
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A chemical group that contains phosphate (-PO4) attached to a larger molecule. Attaching this group, along with two fatty acids, to a glycerol backbone forms a phospholipid.
- + Phosphatidylserine
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- Phosphatidylserine
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A type of lipid (fat) found in the cell membranes of neurons. Research into its potential as a treatment for Alzheimer's disease is ongoing.
More Information on Phosphatidylserine: Alzheimer's & Dementia
- + Phosphocreatine
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- Phosphocreatine
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A compound rich in energy that supplies energy and a phosphate group for the formation of ATP.
- + Phospholipids
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- Phospholipids
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Compounds made up of a glycerol molecule bonded to two fatty acid molecules and a phosphate group with a nitrogen-containing component. They are used as emulsifiers because they have both water-soluble and fat-soluble regions.
- + Phosphorus
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- Phosphorus
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A nonmetallic element that is found in the blood, muscles, nerves, bones and teeth and is a component of ATP. It is also one of three main nutrients in fertilizer.
- + Photoaging
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- Photoaging
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"Photoaging" is more commonly referred to as "Dermatoheliosis" in the medical community.
Dermatoheliosis
Also Known As: "Photodamage"
A term used to describe chronic changes in the appearance and function of skin caused by repeated exposure to the sun. Such changes include wrinkles, roughness and leathery texture.
More Information on Dermatoheliosis: Skin & Aging
- + Photoallergic Dermatitis
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- Photoallergic Dermatitis
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An allergic reaction caused by the combination of sunlight and a chemical applied to the skin (such as an ingredient in sunscreen, lotion, cosmetics or ointments). Some oral medications (e.g., antibiotics, diuretics, NSAIDs) may also contribute.
More Information on Photoallergic Dermatitis: Outdoor Allergies
- + Photoallergic Eruption
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- Photoallergic Eruption
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Also Known As: "Photoallergic Dermatitis"
An allergic reaction caused by the combination of sunlight and a chemical applied to the skin (such as an ingredient in sunscreen, lotion, cosmetics or ointments). Some oral medications (e.g., antibiotics, diuretics, NSAIDs) may also contribute.
More Information on Photoallergic Eruption: Outdoor Allergies
- + Photochemotherapy
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- Photochemotherapy
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Also Known As: "UV Light Therapy, Extracorporeal Photochemotherapy, Chemophototherapy, PUVA"
The use of ultraviolet light waves to treat skin conditions. It involves carefully exposing patients to UV light for a specified amount of time. Phototherapy also may be used to treat cancer.
More Information on Photochemotherapy: Skin & Hair Basics
- + Photocoagulation
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- Photocoagulation
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Also Known As: "Panretinal Photocoagulation, Focal Photocoagulation, Scatter Photocoagulation"
A primary treatment for diabetic retinopathy. A strong beam of light (laser) seals off bleeding blood vessels in the eye and burns away extra blood vessels that should not have grown there.
More Information on Photocoagulation: Eye Conditions
- + Photodamage
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- Photodamage
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"Photodamage" is more commonly referred to as "Dermatoheliosis" in the medical community.
Dermatoheliosis
Also Known As: "Photoaging"
A term used to describe chronic changes in the appearance and function of skin caused by repeated exposure to the sun. Such changes include wrinkles, roughness and leathery texture.
More Information on Dermatoheliosis: Skin & Aging
- + Photodynamic Procedure
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- Photodynamic Procedure
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Also Known As: "PDT, Photodynamic Treatment"
A treatment that uses a combination of a nontoxic chemical and a special laser. The chemical is injected into the blood and allowed to accumulate in the tumor for several days. A laser is then used to cause a chemical change that kills cancers cells.
More Information on Photodynamic Procedure: Chemo & Radiation Therapy
- + Photodynamic Therapy
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- Photodynamic Therapy
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Also Known As: "PDT, Photodynamic Treatment, Photodynamic Procedure"
A treatment that uses a combination of a nontoxic chemical and a special laser. The chemical is injected into the blood and allowed to accumulate in the tumor for several days. A laser is then used to cause a chemical change that kills cancers cells.
More Information on Photodynamic Therapy: Chemo & Radiation Therapy
- + Photodynamic Treatment
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- Photodynamic Treatment
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Also Known As: "PDT, Photodynamic Procedure"
A treatment that uses a combination of a nontoxic chemical and a special laser. The chemical is injected into the blood and allowed to accumulate in the tumor for several days. A laser is then used to cause a chemical change that kills cancers cells.
More Information on Photodynamic Treatment: Chemo & Radiation Therapy
- + Photopheresis
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- Photopheresis
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Also Known As: "Extracorporeal Photopheresis"
Experimental procedure in which blood is removed from the body and treated with ultraviolet light and drugs that become active when exposed to light. The blood is then returned to the body.
More Information on Photopheresis: Chemo & Radiation Therapy
- + Photoscreening
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- Photoscreening
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Vision screening tests using a flash photograph of the patient's eyes to detect eye abnormalities. Can be very useful for infants, who may be uncooperative for other tests and cannot give adequate feedback.
More Information on Photoscreening: Pediatric Hearing & Vision
- + Photosensitivity
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- Photosensitivity
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Also Known As: "Light Sensitivity, Sun Sensitivity, Light Allergy, Sun Allergy"
An increase sensitivity to sunlight that may result in skin eruptions, such as pimples, blisters or hives.
More Information on Photosensitivity: Skin & Hair Basics
- + Photosensitizers
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- Photosensitizers
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Also Known As: "Photosensitizing Medications, Photosensitizing Agents, Photosensitizing Drugs"
Drugs that, when exposed to a specific type of light, kill surrounding cells. They are used as a part of photodynamic therapy in the treatment of cancers.
More Information on Photosensitizers: Cancer Drug & Medication
- + Photosensitizing Agents
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- Photosensitizing Agents
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Also Known As: "Photosensitizing Drugs, Photosensitizing Medications"
Drugs that, when exposed to a specific type of light, kill surrounding cells. They are used as a part of photodynamic therapy in the treatment of cancers.
More Information on Photosensitizing Agents: Cancer Drug & Medication
- + Photosensitizing Drugs
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- Photosensitizing Drugs
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Also Known As: "Photosensitizing Medications, Photosensitizing Agents"
Drugs that, when exposed to a specific type of light, kill surrounding cells. They are used as a part of photodynamic therapy in the treatment of cancers.
More Information on Photosensitizing Drugs: Cancer Drug & Medication
- + Photosensitizing Medications
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- Photosensitizing Medications
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Also Known As: "Photosensitizing Agents, Photosensitizing Drugs"
Drugs that, when exposed to a specific type of light, kill surrounding cells. They are used as a part of photodynamic therapy in the treatment of cancers.
More Information on Photosensitizing Medications: Cancer Drug & Medication
- + Photosynthesis
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- Photosynthesis
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A process by which green plants use energy in sunlight to convert water and carbon dioxide into carbohydrates and oxygen.
- + Phototherapy
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- Phototherapy
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Also Known As: "Photochemotherapy, UV Light Therapy, Extracorporeal Photochemotherapy, Chemophototherapy, PUVA"
The use of ultraviolet light waves to treat skin conditions. It involves carefully exposing patients to UV light for a specified amount of time. Phototherapy also may be used to treat cancer.
More Information on Phototherapy: Skin & Hair Basics
- + Phyllodes Tumor
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- Phyllodes Tumor
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"Phyllodes Tumor" is more commonly referred to as "Cystosarcoma Phyllodes" in the medical community.
Cystosarcoma Phyllodes
Also Known As: "CSP"
A large, bulky and quickly-growing breast tumor that may be benign (noncancerous) or malignant (cancerous).
More Information on Cystosarcoma Phyllodes: Breast Cancer
- + Phylloquinone
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- Phylloquinone
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Also Known As: "vitamin K1"
A form of vitamin K that comes from plant sources.
More Information on Phylloquinone: Vitamins
- + Physical Abuse
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- Physical Abuse
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Physical force or violence resulting in bodily injury, pain or impairment. Examples include assault, battery and inappropriate restraint. It includes unreasonable punishment that causes unintentional harm.
More Information on Physical Abuse: Stress
- + Physical Evaluation
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- Physical Evaluation
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Also Known As: "Medical Examination"
The process of inspecting the body and its systems for the presence or absence of illness or injury.
More Information on Physical Evaluation: Healthcare Basics
- + Physical Examination
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- Physical Examination
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Also Known As: "Physical Evaluation, Medical Examination"
The process of inspecting the body and its systems for the presence or absence of illness or injury.
More Information on Physical Examination: Healthcare Basics
- + Physical Examination in Children
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- Physical Examination in Children
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Children should undergo regular checkups from birth through the first several years of life. Exams include assessing whether the child is developing normally, addressing any concerns or symptoms and providing immunizations.
More Information on Physical Examination in Children: Pediatric Health Basics
- + Physical Pain
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- Physical Pain
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"Physical Pain" is more commonly referred to as "Pain Basics" in the medical community.
Pain Basics
A sensation of discomfort caused by the stimulation of nerve endings that can occur anywhere in the body. It may be localized in one area or generalized (throughout the body) as well as short term (acute) or long term (chronic).
More Information on Pain Basics: Pain Basics
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- + Physical Therapist
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- Physical Therapist
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Licensed health professional that evaluates movement, including muscle strength, muscle tone, posture, coordination, endurance and general mobility. They use exercise, massage and other therapies to improve the function of muscles and joints.
More Information on Physical Therapist: Pain Management
- + Physical Therapy
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- Physical Therapy
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Also Known As: "Physiotherapy, PT Therapy"
Treatment of muscular, nerve and skeletal disorders to restore physical function and prevent disability.
More Information on Physical Therapy: Pain Management
- + Physician Assisted Suicide
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- Physician Assisted Suicide
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When a physician provides lethal information or means (e.g., dosage indication, drug prescription) to a patient who uses it to commit suicide. It is a deliberate act in which the physician is aware of the patient's intent.
More Information on Physician Assisted Suicide: Suicide Information
- + Physician Hospital Organization
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- Physician Hospital Organization
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Also Known As: "PHO"
A form of organization permitting hospitals and physician groups to jointly contract with a health maintenance organization (HMO). PHO networks provide patients with a full range of general and specialist services, but may limit choice of doctors.
More Information on Physician Hospital Organization: Healthcare Basics
- + Physiologic Stress Test
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- Physiologic Stress Test
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"Physiologic Stress Test" is more commonly referred to as "Stress Test" in the medical community.
Stress Test
Also Known As: "Graded Exercise Test, Exercise Cardiac Stress Test, Cardiac Stress Test, Exercise Treadmill Test, Treadmill Test, Exercise Electrocardiography, ETT"
An electrocardiogram performed while the patient exercises in a controlled manner on a treadmill or stationary bicycle at varied speeds and elevations. This test can help detect heart irregularities, disease and damage.
More Information on Stress Test: Heart Imaging & Rhythm Tests
- + Physiotherapy
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- Physiotherapy
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Also Known As: "PT Therapy"
Treatment of muscular, nerve and skeletal disorders to restore physical function and prevent disability.
More Information on Physiotherapy: Pain Management
- + Phytanic Acid Storage Disease
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- Phytanic Acid Storage Disease
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"Phytanic Acid Storage Disease" is more commonly referred to as "Refsum Disease" in the medical community.
Refsum Disease
Also Known As: "Heredopathia Atactica Polyneuritiformis"
A condition in which patients lack the enzyme that breaks down phytanic acid, a substance found in many foods. As a result, toxic levels build up in the body. It is one of a group of genetic diseases called leukodystrophies.
More Information on Refsum Disease: Pediatric Brain & Nerve
- + Phytate
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- Phytate
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Also Known As: "Phytic Acid"
A phytochemical containing phosphorus found in the outer husks of cereal grains (whole grains). It binds with minerals and inhibits their absorption and may have some cancer-preventing properties. It may also be sold in dietary supplements.
More Information on Phytate: Herbs & Supplements
- + Phytic Acid
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- Phytic Acid
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A phytochemical containing phosphorus found in the outer husks of cereal grains (whole grains). It binds with minerals and inhibits their absorption and may have some cancer-preventing properties. It may also be sold in dietary supplements.
More Information on Phytic Acid: Herbs & Supplements
- + Phytobezoars
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- Phytobezoars
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"Phytobezoars" is more commonly referred to as "Bezoars" in the medical community.
Bezoars
Also Known As: "Trichobezoars"
Collections of tightly packed partially digested or undigested materials such as hair (trichobezoars) or fiber or vegetable matter (phytobezoars) that remain in the stomach indefinitely.
More Information on Bezoars: Digestive Health Basics
- + Phytochemicals
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- Phytochemicals
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Also Known As: "Phytonutrients"
Any chemical derived from a plant source. The term technically includes nutrients, but is most often used to describe non-nutrient substances associated with certain health benefits.
More Information on Phytochemicals: Herbs & Supplements
- + Phytoestrogens
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- Phytoestrogens
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Also Known As: "Isoflavones"
Natural compounds that mimic estrogen. They are found in alfalfa sprouts, apples, berries, corn, flaxseed, linseed, nuts, oats, soy products, sunflower seeds and wheat. They have many purported health benefits and may be sold as dietary supplements.
More Information on Phytoestrogens: Herbs & Supplements
- + Phytonutrients
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- Phytonutrients
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Any chemical derived from a plant source. The term technically includes nutrients, but is most often used to describe non-nutrient substances associated with certain health benefits.
More Information on Phytonutrients: Herbs & Supplements
- + Phytosterol
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- Phytosterol
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Also Known As: "Plant Sterol"
A substance found only in plants that is similar in chemical structure to cholesterol. Eating phytosterols may positively impact cholesterol levels. They are found in sesame and sunflower seeds and oils, peanuts, rice bran, green peas, and soybeans.
More Information on Phytosterol: Cholesterol
- + Phytotherapy
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- Phytotherapy
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"Phytotherapy" is more commonly referred to as "Herbal Therapy" in the medical community.
Herbal Therapy
Also Known As: "Herbal Supplement, Herbal Medicine, Herbal Remedy"
A non-medicinal approach using herbs, plants and supplements to treat diseases and promote improved health. Herbal supplements are available without a prescription and are not regulated by the Food and Drug Administration (FDA).
More Information on Herbal Therapy: Herbs & Supplements
- + Piaget's Theory
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- Piaget's Theory
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A theory developed by Jean Piaget stating that individuals go through four stages of cognitive development and actively construct their understanding of the world.
- + Pianist's Cramp
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- Pianist's Cramp
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"Pianist's Cramp" is more commonly referred to as "Writer's Cramp" in the medical community.
Writer's Cramp
Also Known As: "Typist's Cramp, Musician's Cramp"
A type of focal dystonia (sustained muscle contractions leading to twisting movements) involving the muscles of the hand and/or forearm.
More Information on Writer's Cramp: Movement Disorders
- + Pica
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- Pica
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The urge to consume non-food objects, such as soil, hair, string or chalk, or large amounts of food objects generally regarded as ingredients rather than actual foods, such as flour or starch. Often occurs in pregnant women and small children.
More Information on Pica: Eating Disorders
- + PICA Syndrome
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- PICA Syndrome
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"PICA Syndrome" is more commonly referred to as "Wallenberg Syndrome" in the medical community.
Wallenberg Syndrome
Also Known As: "Lateral Medullary Syndrome, Posterior Inferior Cerebellar Artery Syndrome"
A neurological condition caused by a stroke in the vertebral or posterior inferior cerebellar artery (PICA) of the brain stem. Symptoms include swallowing difficulties, hoarseness, rapid involuntary eye movements and balance problems.
More Information on Wallenberg Syndrome: Stroke
- + Pick's Disease
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- Pick's Disease
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"Pick's Disease" is more commonly referred to as "Frontotemporal Dementia" in the medical community.
Frontotemporal Dementia
Also Known As: "Primary Progressive Aphasia, FTD, Semantic Dementia"
A group of rare brain disorders associated with shrinking of the frontal and temporal anterior lobes of the brain. Symptoms typically involve changes in behavior and problems with language.
More Information on Frontotemporal Dementia: Alzheimer's & Dementia
- + PICVA
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- PICVA
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Also Known As: "Percutaneous in situ coronary venous arterialization, Non-surgical bypass"
A non-surgical bypass operation that redirects blood flow around a blocked artery by diverting it to an adjacent vein. It is considered experimenta
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