Rhenis Nursing Rhenis Nursing
NCLEX PN-Readiness Assessment Test-3
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1 :

Hint : 🔍Pay attention to ECG changes that suggest delayed conduction as a safety check.

Correct Answers:

  • Observation of a widening QRS complex on the ECG


Rationale :

📉Widening of the QRS complex is a critical indicator of lidocaine toxicity, particularly in patients with cardiac conditions such as recent myocardial infarction.

💁‍♂️Lidocaine, while effective in suppressing ventricular ectopy, can depress myocardial conduction and lead to proarrhythmic effects if not carefully monitored.

💻The nurse must closely observe ECG changes, especially QRS widening, to identify early signs of toxicity or overdose.

⚠️Failure to monitor these changes could result in lethal arrhythmias or cardiac arrest, making ECG monitoring essential.

📌Core Message

Monitor QRS widening on ECG as a sign of lidocaine toxicity in clients with ventricular ectopy.

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