What is venvenous admixture?

What is venvenous admixture?

venous admixture. ve·nous ad·mix·ture. (vē’nŭs ad’miks-chŭr) The mingling in the pulmonary circulation of arterial blood and desaturated blood resulting from ventilation-perfusion mismatching (reduced ventilation with full perfusion).

What is venous admixture Nunn?

Definition of venous admixture Nunn: the degree of admixture of mixed venous blood with pulmonary end-capillary blood, that would be required to produce the observed difference between the arterial and the pulmonary end-capillary PO2.

What is Brandis venous admixture?

Brandis: the amount of mixed venous blood that would have to be added to pulmonary end-capillary blood to produce the observed drop in arterial PO2 (PaO2) from the PO2 in the end-capillary blood (Pc’O2). Venous admixture is a theoretical/calculated amount, not an actual amount.

What is venous-arterial mixing?

The mingling in the pulmonary circulation of arterial blood and desaturated blood resulting from ventilation-perfusion mismatching (reduced ventilation with full perfusion). A mixture of venous and arterial blood.