Answer: Acute anteroseptal infarct and right bundle branch block (RBBB). Discussion: Q waves and ST elevation in leads V1-4 are diagnostic of an acute ST elevation myocardial infarction of the ...

Abstract and Introduction Evidence for a Proarrhythmic Effect of LV Pacing Evidence For an Antiarrhythmic Effect of CRT Conclusions References There are very few experimental studies that examined ...

A 81 year old female with a history of hypertension and dyslipidemia presents to the emergency department with chest pain, nausea and vomiting. She just became quite dizzy as well and almost passed ...

There are Q waves in the inferior leads and in leads V1-V4 (anteroseptal leads). This indicates an infarction, possibly old. What is concerning about this ECG tracing are the ST segments. There is an ...

The prevalence of Wolff–Parkinson–White syndrome is about 1–3 per 1000.2 In the syndrome, some ventricular depolarization occurs via a rapidly conducting accessory pathway. This results in a short PR ...

A man in his early 60s presents to the emergency department (ED) with a 1-day history of pleuritic central chest pressure. He has a history of a recent myocardial infarction (MI) that was treated with ...