A patient with a history of acute coronary syndrome is having an electrocardiogram (ECG). When interpreting the ECG for potential signs of cardiac ischemia, the nurse should focus on which of the following waveforms and intervals?
A) P wave
B) U wave
C) QT interval
D) ST segment
Question 2
An older adult patient with a recent history of syncope has undergone an initial diagnostic workup that has failed to identify the cause of his fainting.
As a result, continuous electrocardiographi c (ECG) monitoring (Holter monitoring) has been ordered. When initiating this diagnostic testing, what patient education should the nurse provide?
A) Record your activities in your log so that they can be cross-referenced with your ECG readings.
B) As much as possible, try to remain lying down or sitting until your Holter monitoring has been completed.
C) Avoid exposing yourself to electrical devices and appliances while you're wearing your monitor.
D) You'll need to temporarily stop taking your normal medications while you're wearing your monitor.
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