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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Tex+Heart+Inst+J 2020 ; 47 (2): 163-164 Nephropedia Template TP
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Acquired Long QT Syndrome after Acute Myocardial Infarction: A Rare but Potentially Fatal Entity #MMPMID32603470
Gordon SS; Hollowed J; Hayase J; Macias C; Wang J; Middlekauff HR
Tex Heart Inst J 2020[Apr]; 47 (2): 163-164 PMID32603470show ga
Acquired long QT syndrome is typically caused by medications, electrolyte disturbances, bradycardia, or catastrophic central nervous system events. We report a case of myocardial infarction-related acquired long QT syndrome in a 58-year-old woman that had no clear cause and progressed to torsades de pointes requiring treatment with isoproterenol and magnesium. Despite negative results of DNA testing against a known panel of genetic mutations and polymorphisms associated with long QT syndrome, the patient's family history of fatal cardiac disease suggests a predisposing genetic component. This report serves to remind clinicians of this potentially fatal ventricular arrhythmia after myocardial infarction.