抄録
The relationship of the pulmonary arterial systolic, mean and end-diastolic pressure to the mean left atrial pressure was investigated under artificial ventricular pacing in dogs (n=20) with complete A-V block.
The ventricular pacing rate was changed in range from 80 to 200 beats per minute, and the cardiac output, the pulmonary arterial pressure and the mean left atrial pressure were measured.
The relationship of the pulmonary arterial systolic and mean pressure to the mean left atrial pressure did not correlate with a change in the ventricular pacing rate, but the pulmonary arterial end-diastolic pressure correlated with the mean left atrial pressure (r=0.78) in the range from 110 to 200 beats per minute.
