Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «H»:
Hornet sting: Stings from hornets and other large
stinging insects such as bees, yellow jackets and wasps can trigger allergic reactions
varying greatly in severity. Avoidance and prompt treatment are essential. In selected
cases, allergy injection therapy is highly effective. (The three "A's&q...
Horripilation: Better known
as goose bumps, a temporary local change in the skin when it becomes rougher due
to erection of little muscles, as from cold, fear, or excitement.
The chain of events leading to this skin change starts
with a stimulus such as cold or fear. That stimulus causes a nerv...
Horror autotoxicus: Literally, the horror of self-toxicity. A term coined by the great German bacteriologist and immunologist Paul Ehrlich (1854-1915) to describe the body's innate aversion to immunological self-destruction. However, as we now know, the immune system can upon occasion attack itself ...
Hospice: A program or facility that provides special care for people who are near the end of life and for their families. Hospice care can be provided at home, in a hospice or another freestanding facility, or within a hospital. See also: Hospice care....
Hospice care: Care designed to give supportive care to people in the final phase of a terminal illness and focus on comfort and quality of life, rather than cure. The goal is to enable patients to be comfortable and free of pain, so that they live each day as fully as possible. Aggressive methods of...
Hospital: It may seem unnecessary to define a "hospital"
since everyone knows the nature of a hospital. A hospital began as a
charitable institution for the needy, aged, infirm, or young.
The word "hospital" comes from the Latin "hospes" which refers to
either a visitor or the host who receives ...
Hospital code: While there
is no formal definition for a "Code," doctors often use the term as slang to
refer to a patient in cardiopulmonary arrest
, requiring a team of providers (sometimes called a "code team") to rush
to the specific location and begin immediate resuscitative efforts.
Hospital gown: A short collarless gown that ties in the back, worn by patients being examined or treated in a doctor's office, clinic, or hospital. Hospital gowns are generally disliked by patients as skimpy, ugly, ill-fitting garments often leaves one´s backside ignominiously exposed....
Hospital-acquired infection: An infection caught while hospitalized. The medical term for a hospital-acquired infection is "nosocomial." Most nosocomial infections are due to bacteria. Since antibiotics are frequently used within hospitals, the types of bacteria and their resistance to antibiotics i...
hospital-based general physician. Hospitalists
assume the care of hospitalized patients in the place of
patients' primary care physician.
The term "hospitalist" was first introduced in 1996 by RM Wachter
and L Goldman to describe physicians who devote much of their
Host: 1. The organism from which a parasite obtains its nutrition and/or shelter.
2. An organism or cell culture in which a virus can replicate itself.
3. The transplant recipient of a tissue or organ graft.
Hot flashes: A sudden wave of mild or intense
body heat caused by rushes of
hormonal changes resulting from decreased levels of
estrogen. Hot flashes
can occur at any time and may last from a few seconds to a half-hour. They are
due to blood vessel opening and constricting and a
symptom of me...
Hôtel-Dieu: A name often given to a hospital in France
during the Middle Ages. Hotel-Dieu literally means the hotel (of)
God. In Paris, the Hôtel-Dieu is a venerable and famed hospital.
A hospital can also be a place to take care of inanimate objects
and serve as a "repair shop for sp...
Hounsfield: 1. Godfrey Hounsfield, a key contributor to the creation of the CAT scanner.
2. The unit measuring the brightness of images that appear on a CAT scanner....
Hounsfield, Godfrey: (1919-2004) British electrical engineer whose contributions to the creation of the computerized axial tomography scanner (the CAT scan) won him a share of the 1979 Nobel Prize in Physiology or Medicine in 1979. Hounsfield shared the award with the South African-born scientist Al...