How soon after the onset of myocardial infarction (mi) symptoms this thrombolytic agent must be administered? a client with chest pain doesn't respond to nitroglycerin. when he's admitted to the emergency department, the health care team obtains an electrocardiogram and administers i. v. morphine. the physician also considers administering alteplase (activase).
a. within 6 hours
b. within 12 hours
c. within 24 to 48 hours
d. within 5 to 7 days