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How a pause can cause cardiac arrest

Dr. Smith's ECG Blog

While on telemetry monitoring he suffered cardiac arrest and was resuscitated. What ECG finding may have contributed to (or precipitated) the cardiac arrest? A coronary angiogram was done that did not show significant coronary artery disease. There are no clear signs of OMI. There is a prolonged QTc.

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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

Heart Rhythm [Internet]. Among patients with left bundle branch block, T-wave peak to T-wave end time is prolonged in the presence of acute coronary occlusion. See this post: How a pause can cause cardiac arrest 2. New formula for evaluation of the QT interval in patients with left bundle branch block.