Articles: brugada-syndrome-diagnosis.
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J. Korean Med. Sci. · Mar 2021
Right Ventricular Longitudinal Conduction Delay in Patients with Brugada Syndrome.
The mechanism of Brugada syndrome (BrS) is still unclear, with different researchers favoring either the repolarization or depolarization hypothesis. Prolonged longitudinal activation time has been verified in only a small number of human right ventricles (RVs). The purpose of the present study was to demonstrate RV conduction delays in BrS. ⋯ The patients with BrS showed an RV longitudinal conduction delay obviously. These findings suggest that RV conduction delay might contribute to generate the BrS phenotype.
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We herein report a 47-year-old man with relapsing polychondritis who developed monomorphic ventricular tachycardia (VT). His electrocardiogram in sinus rhythm showed a coved-type pattern, and there was no evidence of structural cardiac disease; therefore, he was diagnosed with Brugada syndrome. ⋯ Two forms of VT were induced, which were shown to be bundle branch reentrant VT. A diagnosis of Brugada syndrome should not be ruled out in patients with monomorphic VTs, especially those with conduction abnormalities.
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Arch Cardiovasc Dis · Mar 2020
Multicenter StudyNumber of electrocardiogram leads in the diagnosis of spontaneous Brugada syndrome.
The recently recommended single lead-based criterion for the diagnosis of Brugada syndrome may lead to overdiagnosis of this disorder and overestimation of the risk of sudden cardiac death. ⋯ The prognosis of Brugada syndrome with a spontaneous type 1 electrocardiogram pattern does not appear to be affected by the number of leads required for the diagnosis.
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Saudi J Kidney Dis Transpl · Mar 2020
Case ReportsHyperkalemia mimicking brugada pattern in electrocardiogram: A rare case report from Nepal.
Hyperkalemia is one of the dangerous complications of renal impairment (acute kidney injury or chronic kidney disease). Hyperkalemia may present with the electrocardiogram (ECG) changes as nonspecific repolarization abnormalities. Here, we report a case of AKI with hyperkalemia and the Brugada pattern of ECG, which reverted to normal after effective management of hyperkalemia. ⋯ Patient was treated with 10% calcium gluconate, insulin and dextrose, salbutamol nebulization, and sodium polystyrene sulfonate till hemodialysis was initiated. Hyperkalemia and acidosis can manifest with the Brugada pattern in ECG. Thus, a careful evaluation of hyperkalemia and its treatment must be instituted in such an ECG pattern.