A 61-year-old man presented to the emergency department with epigastric pain lasting 3 hours, preceded by vomiting and watery diarrhea for 2 days. He had a 7-year history of hypertension, diabetes ...

Normal sinus rhythm Third degree AV block (a.k.a. complete heart block) Inferior ST elevation myocardial infarction (Inferior STEMI) Incomplete right bundle branch block Ischemia of the AV node and ...

With an inferior ST segment elevation myocardial infarction (inferior STEMI), you would expect the right coronary artery to be the culprit in about 90% of cases. On occasion you will find a patient ...

Lead augmented vector right (aVR) is a useful measure in the diagnosis of ST-segment elevation acute myocardial infarction (STEMI), indicates a new analysis of data from the HERO-2 trial. “Lead aVR is ...

A 52-year-old man with hypertension and hyperlipidemia experiences chest pain and summons medical help. Thirty minutes later, in the presence of paramedics, he collapses with ventricular fibrillation ...

Sooner was not better when using ECG to determine candidates for urgent coronary angiography after out-of-hospital cardiac arrest (OHCA), according to the PEACE study from Europe. The earlier the ECG ...

A man in his mid-70s with a history of peripheral arterial disease, but no known heart disease, presents to the emergency department (ED) with 1 to 2 hours of nonradiating, slightly pleuritic, ...

The rhythm is irregularly irregular, with an average rate of 90 beats/min. There is no evidence of any organized atrial activity. Hence, the underlying rhythm is atrial fibrillation. There are two QRS ...