The nurse is analyzing the P waves on a patient's electrocardiogram tracing. For what should the nurse analyze this type of wave? (Select all that apply.)
a. The P waves all look alike.
b. The P waves all have different shapes.
c. The P waves are consistently occurring.
d. A P wave is present in front of every QRS.
e. A P wave is present at the end of every QRS.
ANS: A, C, D
The P waves on the ECG tracing are examined to see if (1) there is one P wave in front of every QRS; (2) the P waves are regularly occurring; and (3) the P waves all look alike. B. P waves should not have different shapes. E. A P wave should not be present at the end of every QRS.
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