| Term | Definition |
|---|---|
| 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.” |
| Heart Attack |
Damage 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 condition sometimes called hardening of the arteries). |
| Hemoglobin |
Substance in the red blood cells that supplies oxygen to the cells of the body. |
| Hemoglobin A1C |
See A1C |
| High Blood Glucose |
A condition that occurs in people with diabetes when their blood glucose levels are too high. Symptoms include having to urinate often, being very thirsty, and losing weight. |
| High Blood Pressure |
A condition where the blood circulates through the arteries with too much force. High blood pressure tires the heart, harms the arteries, and increases the risk of heart attack, stroke, and kidney problems. |
| Hormone | |
| Hyperglycemia | |
| Hypertension |
A condition in which the blood circulates through the arteries with too much force. |
| Hypoglycemia |