Ati lpn med surg cardiac exam
Ati lpn med surg cardiac exam ( 33 Questions)
A nurse is reviewing the laboratory findings of a client who experienced an acute myocardial infarction 6 days ago. Which of the following laboratory values should the nurse expect to remain elevated at this time?
Creatinine phosphokinase (CPK): CPK levels peak within 24 hours after an MI and return to normal within 2-3 days.
Myoglobin: Myoglobin rises within hours but returns to normal within 24 hours after MI.
Creatinine kinase-MB (CK-MB): CK-MB peaks 12-24 hours post-MI and returns to baseline within 2-3 days.
Troponin T: Troponin T remains elevated for up to 10-14 days after an MI, providing long-term evidence of myocardial injury.
A. Creatinine phosphokinase (CPK): CPK levels peak within 24 hours after an MI and return to normal within 2-3 days.
B. Myoglobin: Myoglobin rises within hours but returns to normal within 24 hours after MI.
C. Creatinine kinase-MB (CK-MB): CK-MB peaks 12-24 hours post-MI and returns to baseline within 2-3 days.
D. Troponin T: Troponin T remains elevated for up to 10-14 days after an MI, providing long-term evidence of myocardial injury.