atrioventricular interval

atrioventricular interval
AV interval the time between the start of atrial and the start of ventricular systole; it is equivalent to the P–R interval of electrocardiography. Called also atrioventricular delay.

Medical dictionary. 2011.

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  • period — 1. A certain duration or division of time. 2. One of the stages of a disease, e.g., p. of incubation, p. of convalescence. SEE ALSO: stage, phase. 3. Colloquialism for menses. 4. Any of the horizontal rows of chemical elements in the …   Medical dictionary

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