From precordial ECG leads, the conventional determination of the negative derivative of the QRS complex (ND-ECG) assesses epicardial activation. Recently we showed that ultra-high-frequency ...

A doctor may refer to an electrocardiogram as an “ECG” or “EKG.” It uses electrodes to measure the electrical activity of the heart. This can help medical professionals detect heart abnormalities, ...

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 ...

Background Psoriatic arthritis (PsA) is a chronic inflammatory systemic disease that is associated with cardiovascular ...

Communicating concerns about nonspecific changes on ECG Exercise caution when a patient presents with acute chest pain. The ability to explain the situation as clearly as possible is essential.

Introduction: Balloon pulmonary angioplasty (BPA) is a treatment option for a patient with chronic thromboembolic pulmonary hypertension. Objectives: We aimed to investigate the evolution of ...