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Does this T wave pattern mean anything?

Dr. Smith's ECG Blog

Edited by Bracey, Meyers, Grauer, and Smith A 50-something-year-old female with a history of an unknown personality disorder and alcohol use disorder arrived via EMS following cardiac arrest with return of spontaneous circulation. T-wave alternans and the susceptibility to ventricular arrhythmias. Pacing Clin Electrophysiol.

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Young Man with a Heart Rate of 257. What is it and how to manage?

Dr. Smith's ECG Blog

If the rhythm converts and then reverts to tachycardia with either adenosine or electricity, Neither one of those modalities should be attempted until some longer acting pharmacological solution is given. WPW does not always have delta waves on the baseline ECG. This is called "Concealed conduction".

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A woman in her 20s with syncope

Dr. Smith's ECG Blog

Both ST segment and T wave alternans have been known to precede malignant ventricular arrhythmias. This may result from fluctuations in heart rate or in nervous system activity or from pharmacologic treatment. In patients with a long QT — T wave alternans may forebode impending Torsades de Pointes.