The nurse is teaching a class for technicians who will watch cardiac monitors
How would the nurse describe the normal lead II appearance of the T wave of the ECG complex? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. The T wave is a smooth rounded deflection.
2. The T wave is a negative deflection.
3. The T wave follows the QRS.
4. One T wave should be present in each complex.
5. The end of the T wave should occur 0.20 to 0.25 seconds after its preceding complex begins.
1,3,4
Rationale 1: The normal T wave is smooth and rounded.
Rationale 2: The T wave is upright, which is a positive deflection from the baseline.
Rationale 3: The T wave is the next deflection after the QRS.
Rationale 4: There is one T wave in each ECG complex.
Rationale 5: The end of the T wave should occur 0.34 to 0.43 seconds after its preceding complex begins.
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