1 MCQs in Medicine for NEET PG
A 78-year-old man with longstanding hypertension and aortic stenosis presents with syncope (Stokes-Adams attack). ECG shows a regular ventricular rhythm at 28 bpm with wide QRS (160 ms, LBBB morphology) and independent sinus P waves marching out at 88 bpm with no consistent relationship to the QRS complexes. The rhythm shown as **C** in the diagram is characteristic of complete heart block with an unreliable subsidiary pacemaker. Which of the following is the MOST APPROPRIATE immediate management for this patient?
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