A client brought to the emergency room has been diagnosed with an acute myocardial infarction. The physician has ordered thrombolytic therapy with reteplase (Retavase). What is the indication for this therapy?
A. This therapy will reverse any myocardial damage if given within 2 hours of the event.
B. This therapy restores perfusion to the injured area, reducing the size of the infarct.
C. This therapy restores coronary reperfusion without risk of internal bleeding.
D. This therapy makes percutaneous transluminal coronary angioplasty (PTCA) un-necessary.
B
Thrombolytic therapy is indicated in MI to restore perfusion to the injured area, thereby limiting the size of the infarct. Establishing sustained reperfusion in the first few hours after an MI has resulted in a decreased incidence of mortality.
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