A case showing torsade de pointes at the end stage of acute myelocytic leukemia.
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منابع مشابه
Sotalol-induced torsade de pointes.
A case of sotalol-induced polymorphous ventricular tachycardia (torsade de pointes) is presented. The patient had moderately prolonged Q-T interval before medication with sotalol with further prolongation after application of this drug. Electrophysiological study during rechallenge with sotalol demonstrated a uniform ventricular tachycardia with a somewhat polymorphous onset; whether or not thi...
متن کاملDrug-induced torsade de pointes.
A73-year-old man with mild coronary artery disease and a dilated cardiomyopathy presented to the emergency room with a hemodynamically stable wide-QRS tachycardia. His 12-lead ECG revealed episodes of ventriculoatrial block, and a diagnosis of ventricular tachycardia (VT) was made (Figure 1). Intravenous procainamide restored sinus rhythm. Tachycardia recurred, and a second bolus of intravenous...
متن کاملMoxifloxacin-induced torsade de pointes
Torsade de pointes (TdP) is increasingly recognized as a complication of drug therapy. The most common cause of drug-induced QT prolongation is inhibition of the rapidly activating component of the delayed potassium current (IKr). Moxifloxacin, a widely used fluoroquinolone, is a weak IKr inhibitor and has been associated with QT prolongation. We report a case of marked QT prolongation (618 ms)...
متن کاملA practical approach to torsade de pointes.
The term torsade de pointes refers to polymorphic ventricular tachycardia that occurs in the setting of an abnormally long QT interval. While the most common cause is treatment with QT prolonging drugs, torsade de pointes also occurs in the congenital long QT syndromes and in the setting of acquired heart block or severe electrolyte disturbance, notably hypokalemia. Among QT prolonging drugs th...
متن کاملTorsade de pointes: the clinical considerations.
Torsade de pointes is a form of polymorphic ventricular tachycardia occurring in a setting of prolonged QT interval on surface electrocardiogram. Congenital causes of prolonged QT interval occur in individuals with genetic mutations in genes that control expression of potassium and sodium channels and acquired causes are numerous, predominantly drugs causing prolonged QT interval by blockade of...
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ژورنال
عنوان ژورنال: Japanese Journal of Electrocardiology
سال: 1986
ISSN: 1884-2437,0285-1660
DOI: 10.5105/jse.6.79