Fig. 3From: How to manage various arrhythmias and sudden cardiac death in the cardiovascular intensive careMonitored ECG recordings (three episodes) showing a torsades de pointes (Tdp) tachycardia in a patient with an AV conduction disturbance and hypopotassemia (83Â year old, female). Each episode of the Tdp tachycardia was preceded by a short-long-short sequence of the R-R intervals created by isolated ventricular premature contractionsBack to article page