Sinus tachycardia at 150 beats/min is present. The downsloping PR segment and upsloping ST segment make a smooth scooped-out curvature and are typical of Ta wave. Just as with the ventricular ...
An electrocardiogram (ECG) tracks the heart’s electrical activity through electrodes placed on the skin, producing waveforms that reflect atrial and ventricular depolarization and repolarization.