Ejection Fraction

The proportion of blood pushed out of one of the heart’s two pumping chambers, the left and right ventricles, when it contracts. The ejection fraction, commonly expressed as a percentage, indicates how strong the ventricles are — that is, how… Read More “Ejection Fraction”

Sudden Cardiac Arrest

Abrupt loss of heart function. Sudden cardiac arrest is often fatal. The victim of sudden cardiac death may or may not have diagnosed heart disease, but the most common cause of sudden cardiac death is coronary heart disease. According to the American… Read More “Sudden Cardiac Arrest”


A disease of the retina, the light-sensitive membrane at the back of the eye, associated with diabetes. After having diabetes for 20 years, nearly all people with Type 1 diabetes and more than 60% of people with Type 2 diabetes develop retinopathy… Read More “Retinopathy”


Abbreviation for Certified Diabetes Educator, a title ensuring that a given health professional has received special training in diabetes treatment and education. To qualify as a Certified Diabetes Educator, or CDE, a health professional must have… Read More “CDE”


A symptom, condition, or trait that interferes with a given drug or treatment in a dangerous or counterproductive way. Most drugs and medical treatments have contraindications. For example, if drug A interacts with drug B, the labeling for drug A will… Read More “Contraindication”


A condition in which the body’s immune system identifies the body’s own tissues as “foreign” rather than self. The purpose of the body’s immune system is to fight off infections, such as those caused by viruses and bacteria. Some degree of autoimmunity… Read More “Autoimmunity”


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