Remove Cardiac Arrest Remove Electrocardiogram Remove Sudden Cardiac Death
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Early repolarization in the left posterior leads of the electrocardiogram: A new challenge for the existence of idiopathic ventricular fibrillation

HeartRhythm

A few decades ago all sudden cardiac arrests with documented ventricular fibrillation (VF) and structurally normal hearts were diagnosed as idiopathic ventricular fibrillation (IVF).

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Case Report: Lacosamide unmasking SCN5A-associated Brugada syndrome in a young female with epilepsy

Frontiers in Cardiovascular Medicine

During the intravenous lacosamide infusion, the patient developed sudden cardiac arrest caused by ventricular arrhythmias necessitating resuscitation. Of note, the patient had a family history of sudden cardiac death.

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A man in his 70s with weakness and syncope

Dr. Smith's ECG Blog

This discussion comes from this previous post: Hyperthermia and ST Elevation Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias. Induced Brugada-type electrocardiogram, a sign for imminent malignant arrhythmias. Circulation, 117, 1890–1893.

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

Dr. Smith's ECG Blog

Further history later: This patient personally has no further high risk features (syncope / presyncope), but her mother had sudden cardiac arrest in sleep. Twenty-one percent (18 of 88) had a family history of sudden cardiac death and 26.4% (14 of 53) carried a pathogenic SCN5A mutation. months).