Dr. Smith's ECG Blog

SEPTEMBER 27, 2023

ECG#1 There is a regular tachycardia with a ventricular rate of about 180 bpm. Smith comment : When there is a regular wide complex tachycardia, first assess whether it is sinus or not. Is it sinus or is it a supraventricular dysrhythmia? Put shortly is SVT with "Shark Fin STE" and not ventricular tachycardia.

Tachycardia 132

Tachycardia Chest Pain Academic Arrhythmia 132

Dr. Smith's ECG Blog

JANUARY 2, 2025

Because she has cardiomyopathy and ventricular dysrhythmias, the pacer included an Implanted Cardioverter-Defibrillator (ICD) Echo 6 days later after CRT: Normal estimated left ventricular ejection fraction. Even with tachycardia and a paced QRS duration of ~0.16 No wall motion abnormality. (J J Am Coll Cardiol.

Tachycardia 116

Tachycardia Cardiomyopathy Blog Bradycardia 116

Dr. Smith's ECG Blog

SEPTEMBER 19, 2023

I find AV dissociation in VT to be very difficult to differentiate from artifact, as there are always random blips on tachycardia tracings. If you don't know what the dysrhythmia is, then try procainamide. Read this post: Idiopathic Ventricular Tachycardias for the EM Physician 2. Ken notes AV dissociation. What to do now?

Tachycardia 138

Tachycardia Cardiogenic Shock Angina Blog 138