…physician plans to utilize the externally validated HCM Risk-SCD calculator to estimate his 5-year SCD risk. Which of the following variables is directly…

3. When should an automated external defibrillator (AED) be used during CPR?

…to the suspicion of a left ventricular (LV) thrombus. What imaging modality should be considered to confirm or rule out the presence of an LV…

…58-year-old male with a history of chronic heart failure and an implantable cardioverter-defibrillator (ICD) presents to the emergency department after receiving multiple…

…examination. An electrocardiogram is obtained which demonstrates occasional ectopic beats originating from the lower chambers of the heart. The cardiologist documents the presence of PVCs…

A 65-year-old male with a history of rheumatic fever presents with progressive dyspnea on exertion and orthopnea. Physical examination reveals a loud S1…

…are noted, yet the tachycardia continues uninterrupted. Which of the following best explains the persistence of this specific arrhythmia despite the presence of AV dissociation?

According to international recommendations, what is the clinical significance of an athlete presenting with two or more borderline ECG findings?

…patient denies any chest pain, shortness of breath, or other symptoms suggestive of acute coronary syndrome (ACS) in the interim. He reports consistent medication adherence…

…examination, he suddenly complains of chest pain radiating to his throat. He appears pale and diaphoretic. The ECG is performed immediately, as presented below. What…

Male 58 years with chest pain. Which abnormalities are present? Click to enlarge ECG.

…Physical examination did not reveal anything unusual. The ECG shows a heart rate of 69 beats per minute. The PR interval is 180 ms (normal…