Part B Practice Interpreting Electrocardiograms Answer Key Site

What is the interpretation of this ECG tracing?

Atrial fibrillation is characterized by an irregularly irregular rhythm, absence of P waves, and varying QRS complex widths. part b practice interpreting electrocardiograms answer key

Sinus tachycardia

ECG tracing shows a heart rate of 60 bpm, with a regular rhythm and a prolonged PR interval (0.30 seconds). The QRS complex is 0.10 seconds. What is the interpretation of this ECG tracing

Ventricular bigeminy