A 58-year-old Black man with heart failure with reduced ejection fraction (left ventricular ejection fraction 32%) and hypertension is evaluated in the clinic…

Which of the following describes a 'Black athlete repolarization variant' considered a normal ECG finding?

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…

…65-year-old male with a history of chronic back pain experiences a sudden, intense pain in the middle of his back while lifting groceries…

A 68-year-old male with a history of complete heart block treated with a dual-chamber permanent pacemaker 5 years ago presents with progressive…

…year-old male with a history of hypertension and known right bundle branch block (RBBB) presents to the emergency department with 2 hours of substernal…

…and if this arrhythmia is actually SVT with phase 3 aberrancy, what is the most likely bundle branch block morphology and its underlying physiological mechanism?

A 52-year-old male presents with recurrent syncope. His electrocardiogram (ECG) demonstrates complete atrioventricular (AV) block, establishing a clear indication for permanent cardiac pacing…

…symptoms are all suggestive of myocardial ischemia. Your colleague suggests that the ECG shows right bundle branch block (RBBB) , sinus tachycardia and abnormal Q-waves…

…tachycardia with a rate of 180 bpm. The QRS complexes demonstrate a right bundle branch block (RBBB) morphology. The rhythm spontaneously terminates after 25 seconds…