With the popularity of the ECG certification exam, we have recently been seeing more niche questions in ECG books and problem ...

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, ...

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 ...

What caused a patient in their 60s to develop intermittent heart palpitations and periodic weakness? At presentation to the emergency department, the patient said they had not had any significant ...

Learning the art of ECG interpretation requires intellect, commitment, effort and — perhaps most importantly — an organized approach. I have spent thousands of hours (yes, thousands) looking at ...