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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

If you don't know what the dysrhythmia is, then try procainamide. Cardiology was consulted and the patient underwent coronary angiogram which showed diffuse severe three-vessel disease. Coronary angiogram shows diffuse severe three-vessel disease. What to do now? If you believe it is SVT, then try adenosine.