Total cholesterol is the sum of all cholesterol measured in a
person's blood. This total includes high-density lipoprotein (HDL),
which is sometimes called the "good cholesterol," and low-density lipoprotein
(LDL), sometimes called the "bad cholesterol," and very low-density lipoprotein (VLDL).
Cholesterol is measured either in milligrams per deciliter of blood
(mg/dL) or in millimoles per liter of blood (mmol/L).
The ratio of total cholesterol to "good" (HDL) cholesterol is also
important, especially if total cholesterol is high.
E. Gregory Thompson, MD - Internal Medicine & Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
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