There are three common heart rhythm disorders that cause an irregularly irregular rhythm: Atrial fibrillation Atrial flutter with variable conduction Multifocal atrial tachycardia (MAT).
The QRS complex is irregular and coarse "fibrillatory waves" are present (see atrial ... rhythm). As the ventricular rate slows, the QT interval prolongs. The absolute QT interval on this ECG ...
In this review, the authors discuss the role of ECG ... atrial complexes 99% in people aged >55 years on a 24-h Holter 4.9% among people aged 45–65 years on a 2-min rhythm strip 1.5- to 2.5 ...
Atrial fibrillation (AF ... accurately monitor cardiac rhythm for extended periods, but they cannot monitor CO; additionally, they require a surgical procedure. The simultaneous integration of ...
However, the ECG app was available only to users in the U.S. as part of watchOS 5.1.2 along with a heart rhythm monitor for detecting signs of atrial fibrillation (AFib) through heart rate check-ups.