Examlex
Natural gas is a form of fossil fuel, but many scientists prefer to use it rather than coal in meeting societal needs. What advantage does natural gas have, relative to coal?
LDL
Low-density lipoprotein, often referred to as "bad" cholesterol, which can build up in the walls of arteries leading to heart disease.
Electrocardiogram
A test that measures the electrical activity of the heart to show abnormal rhythms and detect heart problems.
Sinoatrial
Referring to the sinoatrial node, a natural pacemaker of the heart that regulates the heartbeat by generating electrical impulses.
Stress Test
A medical test that assesses cardiovascular health and function during physical exertion.
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