HDL (or high-density lipoprotein )A combined protein and fatlike substance. Low in cholesterol, it usually passes freely through the arteries. Sometimes called "good cholesterol."
Health Care TeamA support group of health-care professionals who helps persons manage diabetes.
Heart AttackDamage to the heart muscle caused when the blood vessels supplying the muscle are blocked, such as when the blood vessels are clogged with fats (a…
HemodialysisThe most common form of treatment for end stage renal failure. Surgery is required to join one artery to a vein to form a larger vein called a fistula or…
high blood glucoseA condition that occurs in people with diabetes when their blood glucose levels are too high.
high blood pressure(hy blud PREH-sher) A blood pressure of 140/90 or higher. High blood pressure usually has no symptoms.
hormone(HOR-mone) One of many chemicals made by glands in the body. Hormones circulate in the bloodstream and control the actions of certain cells or organs.
Human ErrorLack of or reluctance to use proper diabetes education techniques by person with diabetes or other individual assisting in self-management and treatment…
hyperglycemia(HY-per-gly-SEE-mee-uh) Higher than normal amount of glucose (a type of sugar) in the blood. Hyperglycemia can be a sign of diabetes or other conditions.
Hyperglycemic Episode or ReationSlow onset of severe elevation in blood glucose levels causing acute complications including stupor, lethargy, blurred vision, disorientation, slow…
Hyperinsulinism(Hyperinsulinemia) Increased levels of insulin in the plasma due to increased secretion of insulin by the beta cells (cells that make insulin) of the…
Hyperlipidemia(Lipemia) The presence of an abnormally large amount of lipids (fats) in the circulating blood.
Hyperparathyroidism(HY-per-PAYR-uh-THY-roy-dih-zum) A condition in which the parathyroid gland (one of four pea-sized organs found on the thyroid) makes too much parathyroid…
Hypertension(HY-per-TEN-shun) A blood pressure of 140/90 or higher. Hypertension usually has no symptoms.
Hypoglycemia UnawarenessThe lack of ability to recognize warning signs (symptoms) of the sympathetic nervous system (adrenergic) involving weakness, nervousness, sweating, cold…
Hypoglycemic ComaResulting from excessive doses of exogenous (injected) insulin or oral hypoglycemic agents medication.
HypoparathyroidismIncreased secretion of parathyroid hormone. Symptoms and signs include neuromuscular excitability, cramps, spasm, and generalized tetany, paresthesias…
HypoxiaA condition in which there is a decrease in the oxygen supply to a tissue. In cancer treatment, the level of hypoxia in a tumor may help predict the…