Arterio-venous oxygen content difference

avDO2 [mL] = (s(a)O2 [%] * c(Hb) [g/dL] * 1.39mL/g + p(a)O2 [mmHg] * 0.0031 [mL/mmHg/dL]) – (s(v)O2 [%] * c(Hb) [g/dL] * 1.39mL/g + p(v)O2 [mmHg] * 0.0031 [mL/mmHg/dL])

Normal: 5mL/100mL of blood