IHD Flashcards
Name 2 types of Angina
Classical - Atherosclerotic
Prinz metal - Vasospasm
DOC Prinz metal angina
CCBs - dipins - vasdilation
How do nitrates work?
Indirect NO donor which increase guanyl cyclase which increase C-GMP which act as VD
Nitrates are more ___________
Veno dilators
Decrease end diastolic volume = decrease preload
How do beta-blockers help in angina?
decrease HR, workload and oxygen demand
Why don’t we give beta-blockers in Prinz metal angina?
Risk of VC
Action of CCBs and KCOs in angina?
VD = decrease after load
Name a KCO
Nicorandil
Anti-angina drug that causes inverse robin hood/coronary steal phenomena?
Dipyridamole - NOT GOOD
Enzyme used for Clopidogrel metabolism?
CYP2C19 - inhibited by Omeprazole PPI
_________ is irreversible COX inhibitor.
Aspirin
hence longer action
How long before surgery we should stop aspirin?
1 week before
T1/2 - 4 hours
Heparin anti-dote
Protamine sulfate
TOC STEMI
PCI
DTB - less than 90 min
Anticoagulant used in PCI
LMW - overall best