>Nursing homework help

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Answer all question please.
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1.Apatient is having cardiac enzymes drawn to rule out a Myocardial Infarction.
a) What are the clinical indication and nursing implications for the following enzymes and their importance as a marker for Myocardial Infarction?
CK
CK-MB
Myoglobin and Troponin 1.
2.A patient has chest pains and is worried of having a second Myocardial Infarction.
a) What are the discriminating differences between chest pains from angina pectoris versus the pain associated with Myocardial Infarction.