as cardiac afferents are known to be activated by prostaglandins and bradykinins , and these agents are released by myocardial ischaemia , haemorrhage was repeated after use of indomethacin and aprotinin ( a protein inhibitor decreasing bradykinin formation ) , and a marked sympathetic inhibition could still be elicited upon haemorrhage .
C0003641
aprotinin
C0019080
haemorrhage