Remove Bradycardia Remove Heart Rhythm Remove Sudden Cardiac Death
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Hyperthermia and ST Elevation

Dr. Smith's ECG Blog

The limb lead abnormalities appear to be part of the Brugada pattern, as described in this article: Inferior and Lateral Electrocardiographic RepolarizationAbnormalities in Brugada Syndrome Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias.

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QT Correction Formulas Compared to The Rule of Thumb ("Half the RR")

Dr. Smith's ECG Blog

In other words, if the QT is less than 1/2 the RR (QT non -prolonged) and the heart rate is above about 60 beats a minute, you can confidently say the QT is not prolonged. 3) At heart rates below 60, far more caution is due. 6) Use a different rule of thumb for bradycardia : Manually approximate both the QT and the RR interval.

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A young F is hyperthermic, delirious, and dry: Fever-induced Brugada? Diphenhydramine toxicity? Tricyclic?

Dr. Smith's ECG Blog

Regardless of further evaluation, she should avoid bradycardia, AV nodal blockers, Na channel blockers, and fevers. --If Fever not only unmasks a Brugada-type electrocardiogram (ECG) but also increases the risk of ventricular tachyarrhythmias such as ventricular fibrillation (VF) or sudden cardiac death.