The nurse is caring for a patient who is believed to have just experienced an MI. The nurse notes changes in the ECG of the patient. What change on an ECG most strongly suggests to the nurse that ischemia is occurring?
A) P wave inversion
B) T wave inversion
C) Q wave changes with no change in ST or T wave
D) P wave enlargement
Ans: B
Feedback:
T-wave inversion is an indicator of ischemic damage to myocardium. Typically, few changes to P waves occur during or after an MI, whereas Q-wave changes with no change in the ST or T wave indicate an old MI.
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