In order to be effective, percutaneous transluminal coronary angioplasty (PTCA) must be performed within what time frame, beginning with arrival at the emergency department after diagnosis of myocardial infarction (MI)? a) 60 minutes b) 30 minutes c) 9 days d) 6 to 12 months
In order to be effective, percutaneous transluminal coronary angioplasty (PTCA) must be performed within what time frame, beginning with arrival at the emergency department after diagnosis of myocardial infarction (MI)?
a) 60 minutes
b) 30 minutes
c) 9 days
d) 6 to 12 months