Final answer:
In the case of a patient showing dangerous PVCs and potential lidocaine side effects like hypotension, one should be prepared to adjust the IV infusion, prepare for defibrillation, and notify the physician immediately.
Step-by-step explanation:
When overseeing a 62-year-old patient who has started to exhibit dangerous Premature Ventricular Contractions (PVCs) in the cardiac postoperative unit and is experiencing potential side effects from lidocaine administration, the immediate action should include preparing for potential advanced life support measures. This might involve the following steps:
- Prepare for defibrillation: This is a crucial step as ventricular fibrillation is a medical emergency that requires life support. Defibrillation can be used to reestablish a normal sinus rhythm and because of its effectiveness, it is standard practice in cases of severe arrhythmias during the postoperative period.
- Adjust the IV infusion: If the patient is showing signs of hypotension or other serious side effects from the lidocaine, adjusting the rate of infusion can mitigate these effects.
- Call for the doctor: Always notify the supervising physician when the patient experiences significant changes or complications such as severe arrhythmias or adverse reactions to medication.
In conclusion, when lidocaine administration leads to serious side effects like hypotension, be prepared to adjust the IV infusion and prepare for defibrillation, while ensuring the physician is informed and involved in the decision-making process.