- Premature contraction of the heart
- When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent a medically significant arrhythmia.
Medical dictionary. 2011.
Medical dictionary. 2011.
Frank-Starling law of the heart — The Frank Starling law of the heart (also known as Starling s law or the Frank Starling mechanism) states that the greater the volume of blood entering the heart during diastole (end diastolic volume), the greater the volume of blood ejected… … Wikipedia
Premature ventricular contraction — Classification and external resources A premature ventricular contraction marked by the arrow. ICD 10 I … Wikipedia
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contraction — 1. A shortening or increase in tension; denoting the normal function of muscle. 2. A shrinkage or reduction in size. 3. Heart beat, as in premature c..beat. [L. contractus, drawn together] after c … Medical dictionary
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