PQRST... and sometimes U. These letters, representing the various waves of the electrocardiogram, are deeply etched in the minds of healthcare professionals. They ...

When left atrial enlargement occurs, it takes longer for cardiac action potentials to travel through the atrial myocardium; thus, the P wave also lengthens. Therefore, the criteria for diagnosing LAE ...

An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease. It's done through small ...

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 ...

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 ...