Unusual Cause of Bidirectional Ventricular Rhythm
2019
Abstract Bidirectional ventricular tachycardia (BDVT), a rare ventricular arrhythmia, is commonly caused by digitalis toxicity or channelopathies and is rarely caused by aconite toxicity, myocarditis, infarction, or sarcoidosis. This paper describes a patient with BDVT, recurrent syncope, myocardial disarray, and interstitial fibrosis on histology but normal results on echocardiography with variants in the TTN , KCNH2 , and GATA4 genes. ( Level of Difficulty: Advanced. )
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