ecg in atrial flutter, an abnormal heart rhythm characterized by rapid, regular contractions of the atria, 3d

atrial flutter ecg electrocardiogram cardiovascular condition rhythm ventricle arrhythmia regular ventricular activity atria beat cardiogram cardiograph trace monitoring abnormal heartbeat pwaves disorder atrium 3d heart illustration health medical medicine cardiac science diagnosis research healthcare disease scientific rate electrical cardiology poster text annotated plain background