Heart Arrhythmia – Definition, Symptoms and Treatment

Definition of Arrhythmia Arrhythmia is irregularity or abnormality of the heart’s contractions. Arrhythmias can result from numerous causes including electrical disturbances of the heart’s pacing mechanisms, physical damage to the heart such as might occur with heart attack, interruptions of the heart’s blood supply that cause myocardial hypoxia (oxygen depletion), severe electrolyte imbalances, and medication side effects. Cocaine use can initiate sudden […]

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Diseases, symptoms and therapy

Tip: Are you looking for some specific term or disease? The best way is to use search feature above Diseases, symptoms and therapy Many other diseases are listed under a particular category of part of the human body in Online Encyclopedia of Health (i.g. Immune System, Cardiovascular system, etc) General articles Cancer articles Infectious Diseases […]

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Estrogens Female Hormones

Definition of Estrogens A collective term for the “female” sex hormones, including prohormones (chemical precursors the body converts to hormones) and metabolites (byproducts of hormone metabolism). Estrogens are among the steroid hormones the body synthesizes from cholesterol. Estrogens derive from androgens (the “male” sex hormones). Common use applies the singular term estrogen to refer to any […]

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Diphtheria Disease and Definition

Definition of Diphtheria Disease An illness that results from infection with the bacterium Corynebacterium diphtheriae. Routine childhood immunization has made diphtheria rare in the United States, though the infection can occur in people who do not receive a booster vaccine every 10 years and is common in other parts of the world. Infection may involve the nose and […]

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Enema Procedure

Definition of Enema Procedure The instillation of fluid into the rectum through the anus to stimulate a bowel movement. An enema may relieve constipation or be part of the preparation to cleanse the colon for diagnostic procedures or surgery. Frequent enemas may result in dependence on them for bowel movements. Eating a diet high in fiber helps promote healthy […]

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Dermatitis – Definition, Symptoms, Causes, Treatment

Definition of Dermatitis The different types of dermatitis are classified according to the cause of the condition. Contact dermatitis is the condition caused by an allergen or an irritating substance. Irritant contact dermatitis accounts for 80% of all cases of contact dermatitis. Atopic dermatitis is very common worldwide and increasing in prevalence. It affects males […]

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Nutritional Assessment

Nutritional Assessment – Information A clinical evaluation of an individual’s nutritional status, typically as part of a routine medical examination or as a direction of the diagnostic path when evaluating symptoms that suggest nutritional deficiency, malnutrition, gastrointestinal disorders, and systemic (bodywide) disease. Routine nutritional assessment is particularly important for the very young and the very […]

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Endoscopy Procedure and Definition

Definition of Endoscopy Procedure The collective term for minimally invasive procedures that allow the doctor to view internal organs and structures using a lighted, flexible scope inserted through a natural body opening or through a small incision. Endoscopy can be diagnostic or therapeutic. Most endoscopic procedures require preparation before the procedure, sedation during the procedure, and […]

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Caesarean Section

A Caesarean section also C-section, Caesarian section, Cesarian section, is a surgical  procedure in which one or more incisions are made through a mother’s abdomen (laparotomy) and uterus  (hysterotomy) to deliver  one or more babies, or, rarely, to remove a dead fetus. A late-term abortion using Caesarean section procedures is termed a hysterotomy abortion and […]

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Meningitis (disease) – Symptoms and Treatment

Definition of Meningitis Inflammation of the meninges, the membranes that surround the brain and spinal cord. Meningitis may result from bacterial, viral, or fungal infection. Viruses are the most common causes of meningitis and can be highly contagious. Enteroviruses and Haemophilus influenzae type B (Hib) virus are the common viral causes, though many viruses can cause […]

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