This ectopic focus becomes the predominant pacemaker ... Brief atrial tachycardia is seen very commonly on ambulatory ECG monitoring in the elderly and is frequently asymptomatic.

Learning all of ECG interpretation is going to take time ... P-wave morphologies that occur with atrial enlargements and ectopic atrial rhythms — but rather, it is the time to learn what the ...

It causes late potentials, which might have predisposed these patients to ventricular ectopy. However, their predominant problem is heart block with Stokes-Adams attacks, rather than cardiac ...

"I could see them mapping my heart and at this point, I know what the ectopic heartbeat looks like. I could see from the ECG on the screen that I wasn't having any, even after about five minutes.

For ventricular ectopy, an instantaneous rate of >40–50 ... sinus depolarization would suppress it 2,3. Figure 2: An ECG obtained from a beagle dog 21 days later, showing six rhythm strips ...