…over his implantable cardioverter-defibrillator (ICD) pocket. Blood cultures are positive for Staphylococcus aureus, and transesophageal echocardiography reveals a vegetation on the right ventricular lead…

A 68-year-old male with a history of ischemic cardiomyopathy and a secondary prevention implantable cardioverter-defibrillator (ICD) presents to the emergency department. He…

Are there any signs of myocardial infarction? Pay attention to lead III in particular. The paper speed is 50 mm/s. Chest leads Limb leads

What is the recommended target time for recording and interpreting a 12-lead ECG at the point of first medical contact (FMC) for patients with…

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

…She is hemodynamically stable, and a 12-lead electrocardiogram (ECG) reveals a regular narrow-complex tachycardia at 170 beats per minute. The attending physician is…

…initial assessment concludes that the ECG is normal, but your colleague warns you that lead V1 may reveal an ongoing atrial flutter. Is that correct…

…initial ECG shows ST-segment depression of 1.5 mm in leads I, aVL, V4, V5, and V6, and ST-segment elevation in lead aVR…

…and bilateral lower extremity edema. A 12-lead electrocardiogram (ECG) reveals sinus rhythm with a left bundle branch block. Transthoracic echocardiography demonstrates a left ventricular…

…12-lead ECG. As they prepare for transport, the patient suddenly loses consciousness and goes into cardiac arrest with a shockable rhythm. A prompt defibrillation…

…2) has a slightly irregular rhythm. What is the rhythm and should you be concerned about the q-waves in the inferior leads (II, aVF…