Endocardial pacing in acute myocardial infarction with A-V block was associated with a 45% mortality rate, highlighting the high risk in anterior infarctions and the potential need for on-demand pacemakers to prevent pacing-induced ventricular fibrillation.
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High mortality with pacing in anterior MI and AV block warrants caution; leaves open optimal device strategies in acute infarction.
Grendahl et al. (1969) studied this question.
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