Exam 1 - Acute MI Pharmacology Flashcards
1
Q
initial treatment
A
- oxygen
- morphine
- aspirin
- nitroglycerin
- beta-blocker
- thrombolytic agent
2
Q
fibrinolytic therapy
A
- alteplase (tPA)
- most effective
- works best within 30-70 minutes
3
Q
MOA of alteplase
A
dissolves clot by converting plasminogen into plasmin
4
Q
main side effect of alteplase
A
bleeding
5
Q
when is alteplase contraindicated
A
history of brain bleed
6
Q
what is alteplase always given with
A
heparin and anti platelet therapy
7
Q
nitroglycerin
A
- severe hypotension
- do not administer with sildenafil
8
Q
reperfusion injury
A
- rapid restoration of blood flow to the myocardium also contributes to injury because of myocardial stunning
- caused by oxidized free radicals generated by WBCs and the cellular response to restored blood flow