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.
Also Known As: "Coxiella Burnetii Infection, Chronic Q Fever"
A disease caused by the bacterium Coxiella burnetii that is found in cattle, goats and sheep. Humans are infected through inhalation of contaminated airborne barnyard dust. Many infected people do not display symptoms. More Information on Q Fever: Infectious Disease Basics
A computerized test that measures how the nerves respond to changes in temperature and vibration. It is used to diagnose damage to small nerve endings (which react to temperature) and large nerve endings (which react to vibration). More Information on QST: Brain & Nerve Tests
Paralysis below the neck, including all four limbs. It occurs due to spinal cord damage in the neck (cervical) or brain. More Information on Quadriplegia: Movement Disorders
FDA-approved claims made by food manufacturers describing a developing relationship between a product or product ingredient and a disease or medical condition. Claims include a disclaimer (e.g., "Scientific evidence suggests but does not prove..."). More Information on Qualified Health Claims: Nutrition Basics
A computerized test that measures how the nerves respond to changes in temperature and vibration. It is used to diagnose damage to small nerve endings (which react to temperature) and large nerve endings (which react to vibration). More Information on Quantitative Sensory Testing: Brain & Nerve Tests
Enforced isolation or restriction of free movement imposed upon a patient in hopes of preventing the spread of contagious disease. More Information on Quarantine: Infectious Disease Basics
Test to determine whether there is a blockage in the spinal canal or whether cerebrospinal fluid can flow freely. More Information on Queckenstedt Test: Brain & Nerve Tests
Also Known As: "Medical Question, Health Question"
This article suggests questions to print out and bring with you to your next doctor appointment. If you don't feel comfortable asking some of these questions, you can just hand the list to your cardiologist to be sure that they are all addressed. More Information on Questions for Your Cardiologist: Heart Basics
Body weight (in kilograms) divided by the square of height (in meters), expressed in units of kg/m2. It is used to compare and analyze the health effects of weight on human bodies of all heights. More Information on Quetelet Index: Weight & Obesity Basics
"Quetiapine" is more commonly referred to as "Clozapine" in the medical community. Clozapine
Also Known As: "Ziprasidone, Aripiprazole, Olanzapine, Risperidone, Sertindole"
A type of medication belonging to the drug class called atypical antipsychotics. It may be used in the treatment of schizophrenia and acute manic and mixed episodes associated with bipolar disorder More Information on Clozapine: Psychiatric Medications
"Quick Acting Insulin" is more commonly referred to as "Rapid Acting Insulin" in the medical community. Rapid Acting Insulin
Also Known As: "Fast Acting Insulin"
A form of insulin medication that begins to work 5 minutes after injection, peaks in an hour and works for two to four hours. More Information on Rapid Acting Insulin: Insulin
A brand of antiarrhythmics, medications used to treat all types of irregular heart rhythms (arrhythmias) except an abnormally slow heartbeat. Some act directly on the heart to slow it down, and others act to restore a normal beating pattern. More Information on Quinaglute: Heart Drug & Medication
"Quinapril" is more commonly referred to as "Captopril" in the medical community. Captopril
Also Known As: "Enalaprilat, Fosinopril, Benazepril, Ramipril, Lisinopril, Enalapril"
A type of ACE inhibitors, medications that widen blood vessels and lower blood pressure. ACE stands for angiotensin-converting enzyme. These medications are being studied for the prevention of side effects from radiation therapy. More Information on Captopril: Cancer Drug & Medication
"Quitting Smoking" is more commonly referred to as "Smoking Cessation" in the medical community. Smoking Cessation
Quitting smoking is not easy. The average person tries to quit five to eight times before actually succeeding. The key to quitting is preparation. More Information on Smoking Cessation: Smoking & Tobacco
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