coronary reserve was studied : 1 ) during rapid atrial pacing and then , 2 ) during dipyridamole infusion ( 0.6 mg/kg/4 min ) in 3 groups of subjects : 13 patients with angina pectoris and angiographically normal coronary arteries ( anc ) with proven myocardial ischaemia during atrial pacing , 15 patients with coronary artery disease ( cor ) and 17 normal controls with normal coronary angiography and atrial pacing .
C0018787
cor
C0018792
atrial