Atrial fibrillation occurs when action potentials fire very rapidly within the pulmonary veins or atrium in a chaotic manner. The result is a very fast atrial rate — about 400 to 600 beats per ...

The below ECG strip shows the irregularly irregular QRS complexes present during atrial fibrillation. Using the first method to determine heart rate would not be accurate because the RR intervals ...

LAE has links with several conditions, including atrial fibrillation (A-fib) and heart failure. In this article, learn about the causes of LAE, associated conditions, symptoms, and treatments.

Atrial fibrillation (AF) is a common form of heart arrhythmia, a serious condition in which the heart beats so fast that its ...

ECG plays an important role in detection of several stroke risk factors/predictors including atrial fibrillation and left ... 45–65 years on a 2-min rhythm strip 1.5- to 2.5-fold increase ...