article thumbnail

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. Pads were placed with ultrasound guidance, so they were in the correct position. What to do now? If you believe it is SVT, then try adenosine. Procainamide is proven better and safer than amiodarone for VT ( Procamio randomized trial ) AND it also works for SVT.

article thumbnail

Diffuse Subendocardial Ischemia on the ECG. Left main? 3-vessel disease? No!

Dr. Smith's ECG Blog

Authors' commentary: Cardiogenic shock in the setting of severe aortic stenosis. This patient’s severe aortic stenosis (AS) and associated severe cardiogenic shock likely created the ECG pattern, resulting in a very difficult challenge for our inpatient team. If you can use Doppler, then you can diagnose it. Circulation.

article thumbnail

Unresponsive and Acidotic: OMI? Acute, subacute, or reperfused? What is the rhythm? Why RV dysfunction? Can CT scan help?

Dr. Smith's ECG Blog

Assessment : Cardiology thought this was cardiogenic shock from RV dysfunction. Smith Comment: the RV was very ischemic on the CT scan and dysfunctional on echo, and this does explain the shock. Probable anterior and anterolateral wall hypokinesis. Right ventricular enlargement. Decreased right ventricular systolic performance.