…a history of an anterior myocardial infarction presents with worsening exertional dyspnea. Echocardiography reveals a left ventricular ejection fraction of 30%, severe left ventricular dilatation…

…a left bundle branch block (LBBB) and a QRS duration of 155 ms. The clinical team considers device therapy for the primary prevention of sudden…

In patients with a high-degree AV block in the context of an anterior wall MI and acute heart failure, what treatment may be considered…

…left ventricular systolic function but also shows regional wall motion abnormalities in the anterior septum. Which of the following is the most accurate interpretation of…

…left anterior hemiblock morphology. The treating physician is attempting to differentiate between fascicular ventricular tachycardia (VT) and supraventricular tachycardia (SVT) with bifascicular block. Which of…

…24-hour Holter monitor placed prior to the initiation of oncological treatment. Initial echocardiography reveals mild left ventricular dilation and an ejection fraction of 48%…

…duration of 160 ms with a left bundle branch block (LBBB) morphology and a QS complex in V1. Coronary angiography reveals non-obstructive coronary artery…

…his left arm. These symptoms debuted a few hours earlier. Physical examination did not reveal anything unusual. The ECG shows a heart rate of 69…

Which of the following ECG findings is typically considered a normal variant in asymptomatic athletes with no significant family history?

…His cardiovascular risk profile, duration of diabetes, sex, age and symptoms are all suggestive of myocardial ischemia. Your colleague suggests that the ECG shows right…