Respiratory support
Botulism is caused by botulinum toxin, a natural poison produced by certain bacteria in the Clostridium genus. Exposure to the botulinum toxin occurs mostly from eating contaminated food, or in infants, from certain clostridia growing in the ... [... more]
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Diverticulosis and diverticulitis
Diverticulosis refers to a condition in which the inner, lining layer of the large intestine (colon) bulges out (herniates) through the outer, muscular layer. These outpouchings are called diverticula. Diverticulitis refers to the development of ... [... more]
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Dysmenorrhea
Dysmenorrhea is the occurrance of painful cramps during menstruation. More than half of all girls and women suffer from dysmenorrhea (cramps), a dull or throbbing pain that usually centers in the lower mid-abdomen, radiating toward the lower back ... [... more]
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Hair transplantation
Hair transplantation is a surgical procedure used to treat baldness or hair loss. Typically, tiny patches of scalp are removed from the back and sides of the head and implanted in the bald spots in the front and top of the head. Hair ... [... more]
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Hairy cell leukemia
Hairy cell leukemia is a disease in which a type of white blood cell called the lymphocyte, present in the blood and bone marrow, becomes malignant and proliferates. It is called hairy cell leukemia because the cells have tiny hair-like ... [... more]
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Hypnogogic hallucination
Hallucinations are false or distorted sensory experiences that appear to be real perceptions. These sensory impressions are generated by the mind rather than by any external stimuli, and may be seen, heard, felt, and even smelled or tasted. A ... [... more]
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Hammertoe
Hammertoe is a condition in which the toe is bent in a claw-like position. It can be present in more than one toe but is most common in the second toe. Hammertoe is described as a deformity in which the toes bend downward with the toe joint ... [... more]
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Hand-foot-and-mouth disease
Hand-foot-and-mouth disease is an infection of young children in which characteristic fluid-filled blisters appear on the hands, feet, and inside the mouth. Coxsackie viruses belong to a family of viruses called enteroviruses. These viruses live ... [... more]
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Hantavirus infections
Hantavirus infection is caused by a group of viruses that can infect humans with two serious illnesses: hemorrhagic fever with renal syndrome (HFRS), and Hantavirus pulmonary syndrome (HPS). Hantaviruses are found without causing symptoms within ... [... more]
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Haptoglobin test
This test is done to help evaluate a person for hemolytic anemia. Haptoglobin is a blood protein made by the liver. The haptoglobin levels decrease in hemolytic anemia. Hemolytic anemias include a variety of conditions that result in hemolyzed, ... [... more]
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Hartnup disease
Hartnup disease is an inherited nutritional disorder with primary symptoms including a red, scaly rash and sensitivity to sunlight. Hartnup disease was first identified in the 1950s in the Hartnup family in London. A defect in intestines and ... [... more]
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Head and neck cancer
The term head and neck cancers refers to a group of cancers found in the head and neck region. This includes tumors found in: The oral cavity (mouth). The lips, the tongue, the teeth, the gums, the lining inside the lips and cheeks, the floor of ... [... more]
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