QRS duration of > 120 milliseconds rsR' "bunny ear" pattern in precordial leads Slurred S waves in leads I, V5, and V6. Remember that T wave inversions and ST segment depression is normal in leads V1 ...

Left bundle branch block (LBBB) is a type heart block. It results from a problem with the electrical conduction system that enables the heart to beat. It may cause no symptoms, but an ...

Please provide your email address to receive an email when new articles are posted on . Researchers in Spain reported they validated the diagnostic accuracy of the BARCELONA algorithm for acute MI ...

I was involved in a malpractice case a couple of years ago as a consultant. The case involved an emergency physician who was being sued for failure to make a rapid diagnosis of an ST-segment elevation ...

Acute myocardial infarction (AMI) continues to be a leading cause of death worldwide, necessitating rapid and accurate diagnosis to mitigate severe cardiac damage. The electrocardiogram (ECG) remains ...

A right bundle branch block (RBBB) involves a delay in the electrical impulses reaching the heart’s right ventricle, which can affect the heart’s ability to pump blood effectively. While RBBB doesn’t ...

Answer: B. Hyperkalemia causing the Brugada electrocardiographic (ECG) pattern. In leads V1-2, the ST segment is elevated, which begins from the top of the R' wave and is downsloping, ending with an ...