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A 50-something with Regular Wide Complex Tachycardia: What to do if electrical cardioversion does not work?

Dr. Smith's ECG Blog

Past medical history includes coronary stenting 17 years prior. If you take old people with a history of MI (he had a stent), that percentage goes far higher since there is scar tissue that acts as a nidus for the PVCs that initiate VT. Pads were placed with ultrasound guidance, so they were in the correct position.

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STEMI with Life-Threatening Hypokalemia and Incessant Torsades de Pointes

Dr. Smith's ECG Blog

Bedside ultrasound showed no effusion and moderately decreased LV function, with B-lines of pulmonary edema. This was stented. Could the dysrhythmias have been prevented? Severe hypokalemia in the setting of STEMI or dysrhythmias is life-threatening and needs very rapid treatment. He appeared to be in shock.

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