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7 DAY SMOKE AWAY 
| | | MEDICAL
DEFINITIONS
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Echocardiography
— A test that obtains an image of the structure and motion of the heart using
ultrasound (inaudible, high-frequency sound waves). Used to detect cardiomyopathy
and other abnormalities of the heart wall, valves and large blood vessels.
Edema — An abnormal accumulation of fluid in body tissues.
Edema is common in the legs, ankles and lungs of people with heart failure.
Ejection fraction — The amount of blood released
during each contraction of the lower ventricle of the heart. It's usually expressed
as a percentage: an ejection fraction of 60 percent means that 60 percent of the
total amount of blood in the left ventricle is expelled with each heartbeat.
Electrocardiogram (EKG or ECG) — A record of the electrical activity
of the heart, allowing diagnosis of abnormal heart conditions.
Endocarditis
— Inflammation of the lining of the heart and the heart valves, usually due
to bacterial infection.
Heart attack — Sudden death of a
portion of the heart muscle caused by a sudden decrease in blood supply to that
area. Also known as myocardial infarction or MI.
Heart disease, ischemic
— The most prevalent form of heart disease, in which narrowed or blocked
coronary arteries result in decreased blood supply.
Heart failure
— The inability of the heart to keep up with its workload. When someone has
this condition, their heart can't pump enough blood to the lungs and the rest
of the body. Heart failure is often a chronic condition that can be treated with
medications, diet and other lifestyle changes, and in some cases, surgery.
Heart transplant — Surgery that replaces a damaged heart with
a healthy heart taken from a donor who has been declared brain dead.
Heart valve — One of the four structures in the heart that control
the flow of blood by opening and closing with each heartbeat. The valves permit
the flow of blood in only one direction.
Hypertension — The
medical term for abnormally high blood pressure.
Hyperthyroidism
— Overactivity of the thyroid gland, leading to overproduction of thyroid
hormones. It can make the body's metabolism overactive, leading to symptoms such
as weight loss and rapid heart rate.
Hypotension — Abnormally
low blood pressure.
Left-ventricular assist device — A mechanical
pump used to aid the natural pumping action of the heart's left ventricle.
Left-ventricular heart failure — Heart failure in which the left
side of the heart must work harder to pump the same amount of blood. This type
of heart failure usually causes breathing difficulties.
Additional
Medical Definitions 1 | Additional
Medical Definitions 2 Additional
Definitions 3 | | | |
