Note that left atrial enlargement is not able to be diagnosed in the presence of atrial fibrillation because this rhythm is defined by erratic atrial activity and no visible P wave on the ECG.

When right atrial enlargement occurs, it does not take longer for cardiac action potentials to travel through the atrial myocardium (similar to left atrial ... The ECG criteria for diagnosing ...

ECG plays an important role in detection of several stroke risk factors/predictors including atrial fibrillation and left ventricular hypertrophy; both are components of the Framingham Stroke Risk ...

AV, atrioventricular; bpm, beats per minute; LVH, left ventricular hypertrophy ... of the second heart sound because IRBBB can be an associated ECG finding in patients with an atrial septal defect.

left axis deviation and conduction delays and findings suggestive or diagnostic of primary electrical diseases such as long QT syndrome and Wolff-Parkinson-White syndrome. The evaluation of abnormal ...