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Torsade in a patient with left bundle branch block: is there a long QT? (And: Left Bundle Pacing).

Dr. Smith's ECG Blog

CASE CONTINUED She was admitted to the ICU. Discontinue all negative chronotropic agents, since the risk of torsade is much higher with bradycardia or pauses. Smith has provided excellent overview of measuring and correcting QT interval in scenarios where QRS duration is prolonged (e.g., LBBB, ventricular pacing, etc.)." The plan: 1.