Wide QRS regular tachycardia is present in Figure 1. No definite P waves are identifiable. There is one PVC in the lower tracing. During the compensatory pause, there is definitely a P wave (↓ on ...
Ventricular tachycardia arises from an abnormal electrical focus or circuit in the myocardium of the ventricle and is usually manifested as a tachyarrhythmia with a wide QRS complex on ...
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ECG test: What it is and what its results mean
An electrocardiogram (ECG) is a quick test that demonstrates how your heart's electrical activity operates. It is run in both routine health check-ups and emergency situations to detect a range of ...
Communicating concerns about nonspecific changes on ECG Exercise caution when a patient presents with acute chest pain. The ability to explain the situation as clearly as possible is essential.
In tracing "a" of Figure 1, there seems to be only one P wave in front of each QRS complex, suggesting sinus rhythm. However, during the compensatory pauses after the PVCs (↑) in tracing "b," there ...
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