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Q waves are the strongest electrocardiographic variable associated with primary prophylactic implantable cardioverter-defibrillator benefit: a prospective multicentre study.

Ari PelliHeikki V HuikuriTuomas V KenttäSimon SchlöglMarkus ZabelMarek MalikTobias ReichlinRik WillemsMarc A VosMarkus HardenTim FriedeChristian SticherlingHeikki V Huikuri
Published in: Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology (2021)
Pathological Q waves were a strong ECG predictor of ICD benefit in primary prophylactic ICD patients. Excess mortality among Q wave patients seems to be due to arrhythmic death which can be prevented by ICD.
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