Indirect mean arterial pressure in the anesthetized dog.

Using the oscillometric method, indirect mean arterial pressure was measured in 14 pentobarbital-anesthetized dogs (8-24 kg) with mean arterial pressure ranging from 23 to 160 mmHg. The effect of cuff size, in relation to forelimb circumference was investigated. Indirect mean arterial pressure agreed with direct mean arterial pressure when the cuff width was about 40% of the forelimb circumference.