Coronary heart disease had been excluded by coronary angiography 2 years before the event, and only dilated coronary arteries with arteriosclerotic plaques but no stenosis were ... areas of the RCA ...

The ratio of maximum hyperaemia (intravenous administration of adenosine triphosphate, 160 μg/kg/min) to baseline peak (mean) diastolic coronary flow velocity in the distal artery was used as an ...