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  Indian J Med Microbiol
 

Figure 1: Admission ECG. The tracing demonstrates sinus rhythm at 68 bpm, normal conduction, inferior current of injury and ST-Segment depression in leads I, AVL, and V2. Atrial pacer stimuli occur at 65 pulse per minute, uninhibited by the prevailing sinus rhythm, indicating lead sensing failure. Atrial pacing at maximum output (7.5 V, 1.9 ms) demonstrated no atrial capture (data not shown).

Figure 1: Admission ECG. The tracing demonstrates sinus rhythm at 68 bpm, normal conduction, inferior current of injury and ST-Segment depression in leads I, AVL, and V2. Atrial pacer stimuli occur at 65 pulse per minute, uninhibited by the prevailing sinus rhythm, indicating lead sensing failure. Atrial pacing at maximum output (7.5 V, 1.9 ms) demonstrated no atrial capture (data not shown).