366. NTG administration protocol and cautions / When should morphine be given in ACS? July 6th, 2008 by reuben in ACS Back Top Tags: card 365. Points of time delay in myocardial reperfusion / If the patient is a candidate for lysis, how long can reperfusion be delayed for transfer for PCI? / Mechanism by which NTG benefits ACS patients 367. Beta blockers in ACS – indications, contraindications, mechanism / When should ACE inhibitors be started in ACS? Contraindications? / Why are calcium channel blockers not indicated in ACS? Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.