…Allow complete thawing — the thaw time should be at least as long as the freeze time , usually 30–60 seconds. 8. Repeat the cycle where…

…pair or couplet. If 3 to 30 premature ventricular contractions occur consecutively, it is referred to as non sustained ventricular tachycardia (if the rate is…

…and its temporal relationship to the ECG waveforms. The cardiac cycle begins in the sinus node (sinoatrial node), where depolarization occurs through automaticity (refer to…

…wave not followed by a QRS complex. This cycle repeats itself over and over again, such that every cycle ends with a blocked P wave…

…K + ) channels open which results in cell repolarization. The cycle then repeats itself ( Figure 1 ). Note that the leakage of sodium during the resting phase…

…it encompasses both synchronized cardioversion and defibrillation ; the key distinction is timing relative to the cardiac cycle, since a shock delivered asynchronously on the T…

…heart vector [3]. The orientation and intensity of this vector fluctuate throughout the cardiac cycle as depolarization and repolarization progress [3]. The mean electrical axis…

…The cardiac cycle starts when cells in the sinoatrial node discharge an action potential that spreads as an electrical impulse through the atria and – via…

…activation) and thus triggers another ventricular stimulation. This cycle may repeat itself so that a tachyarrhythmia is established. Pacemaker mediated tachycardia on ECG Pacemaker beats…

…a delay. This manifests with loss of P waves (loss of atrial activation) and consequently loss of QRS complexes (loss of ventricular depolarization). Sinoatrial blocks…