AV difference

AV dif·fer·ence

abbreviation for arteriovenous difference of concentration of a substance.

AV dif·fer·ence

(dif'ĕr-ĕns)
Arteriovenous (AV) difference of concentration of a substance.
References in periodicals archive ?
AV difference is clearly a major theoretical determinant of difference between arterial- and capillary-blood-gas values.
So long as tissue oxygen consumption and carbon-dioxide production remains unchanged, as is the case in the resting state, increasing blood flow through the capillary bed has the effect of reducing AV difference and, thereby, the difference between arterial and capillary pH, pC[O.