Atrial tachycardia and other ectopic atrial rhythms occur when a site outside ... Brief atrial tachycardia is seen very commonly on ambulatory ECG monitoring in the elderly and is frequently ...

A premature atrial contraction occurs when ... this means there will not be a QRS complex following, or the ectopic PR interval will be prolonged. The ECG will show a premature, ectopic P wave ...

The ECG findings presented as normal in athletes were established ... Sinus rhythm resumes with increased heart rates during exercise. In an ectopic atrial rhythm, P waves are present but are a ...

In this review, the authors discuss the role of ECG in prediction of stroke ... higher automaticity – ectopic beats; and re-entry – atrial tachyarrhythmia; and higher vulnerability to ...

In patients with symptoms such as irregular heartbeats, dizziness, or fainting, or in individuals that physicians suspect may ...