Why the study?
Does acute myocardial ischemia alter pacemaker threshold values during implantation?
Population
2 patients undergoing pacemaker implantation who experienced an ischemic attack
Comparison
Pacemaker implantation and threshold measurement… vs Threshold measurement after angina subsided
Design
Case_series
Authors
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Transient ischemia may elevate pacing thresholds during implantation; this case report leaves open whether to delay measurements until angina subsides.
Does acute myocardial ischemia alter pacemaker threshold values during implantation?
Acute myocardial ischemia during pacemaker implantation transiently elevates pacing thresholds, suggesting threshold measurements should be delayed until angina subsides.
Norman Snow (1983) studied this question.
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