Why the study?
Does a simple QRS morphology algorithm accurately distinguish preexcited AF from BBB-AF in irregular broad complex tachycardia?
Does a simple QRS morphology algorithm accurately distinguish preexcited AF from BBB-AF in irregular broad complex tachycardia?
A simple ECG algorithm based on QRS morphology in V1 and V6 provides 100% sensitivity and high specificity for distinguishing preexcited AF from BBB-AF.
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May aid ECG differentiation of preexcited AF; leaves open prospective validation before clinical adoption.
Lau et al. (2000) studied this question.
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