Bartels, G.L.

atropine group patient control sinus blood flow dysfunction effect heart artery function blood pressure lactate rate pressure product atropine group ischaemia muscarinic sinus study control group baseline norepinephrine heart rate disease atrial product lv function receptor st-segment lactate production lv lv dysfunction van den heuvel acetylcholine depression <005 stress muscarinic receptors artery disease cardiol oxygen atropine lv dysfunction end diastolic pressure ejection vasoconstriction control lv dysfunction control groups control patients angina pectoris fraction vessel st-segment depression result min 1 mvo 2 oxygen demand blood flow balance endothelium release production heuvel oxygen consumption dysfunction lv baseline december peak heart rate demand dobutamine stress echocardiography extraction addition eur heart j dysfunction /heart failure issue heart failure measurement min 1. van veldhuisen dj dysfunction group stress test blockade factor