[Predictive value of QRS complex duration in patients with chronic heart failure and atrial fibrillation: retrospective study].
T M UskachY S SharapovaA A SafiullinaE V ZinovyevaSergey TereshchenkoPublished in: Terapevticheskii arkhiv (2022)
These results highlight that patients with AF and a narrow QRS complex have the same poor prognosis as those with a wide QRS complex and require the close attention of cardiologists.