Characteristic electrocardiographic findings in a patient with<unk><unk>  include; an<unk>  rate from 250-350 beats per minute, a "sawtooth" appearance to the tracings due to rapid regular undulations (F waves), and a variable ventricular rate depending on AV conduction.
Atrial flutter electrocardiogram
AVNRT electrocardiogram
Ventricular tachycardia electrocardiogram
Atrial fibrillation electrocardiogram
Ventricular fibrillation electrocardiogram
Pacemaker syndrome electrocardiogram
Junctional tachycardia ECG
Junctional tachycardia electrocardiogram