The atrial rate is approximately 160 beats per minute (bpm) with inverted P waves in II-III-AVF. The narrow ventricular complexes are regular at 80 bpm, with 2:1 atrioventricular (AV) block. These ...

A 90 year old male with no past medical history to clinic with a complaint of generalized weakness, dizziness, and dyspnea on exertion. Mild lower extremity edema, paroxysmal nocturnal dyspnea, and ...

More than 300 million EKGs (short for electrocardiogram, a test that checks heart rhythm and electrical signals of the heart) are conducted around the world each year, according to a study published ...

A new study has linked prolonged P-wave duration to increased risk for sudden cardiac death (SCD), independent of cardiovascular risk factors and atrial fibrillation. 1 This suggests P-wave duration ...