- 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.
atrioventricular interval
Look at other dictionaries:
interval — A time or space between two periods or objects; a break in continuity. [L. inter vallum, space between breastworks in a camp, an i., fr. vallum, a rampart, wall] a c i. the i. between the onset of the a wave and that of the c wave of the jugular… … Medical dictionary
atrioventricular delay — AV delay see under interval … Medical dictionary
atrioventricular synchrony — AV synchrony in the heart, the physiological condition of atrial electrical activity followed by ventricular electrical activity, with the interval between being that necessary for impulse conduction from atria to ventricles … Medical dictionary
Third-degree atrioventricular block — Classification and external resources ICD 10 I44.2 … Wikipedia
Second-degree atrioventricular block — Classification and external resources ICD 10 I44.1 ICD 9 426.12 … Wikipedia
A–H interval — the period between the onset of depolarization of the lower right atrium, measured as the A wave, and that of the bundle of His, measured as the His bundle deflection; approximates the time for impulse conduction across the atrioventricular node … Medical dictionary
P–R interval — the portion of the electrocardiogram between the onset of the P wave (atrial depolarization) and the onset of the QRS complex (ventricular depolarization), lasting approximately 0.12 to 0.20 second in the adult. It is the time taken for an… … Medical dictionary
AVI — air velocity index; Association of Veterinary Inspectors; atrioventricular interval; audio video interleave … Medical dictionary
AVI — • air velocity index; • Association of Veterinary Inspectors; • atrioventricular interval; • audio video interleave … Dictionary of medical acronyms & abbreviations
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
