Torsade de pointes por QT largo en el contexto de dieta muy baja en calorías

Gómez-Barrado, José J.; Turégano, Soledad; Polo, J. Medina; Carreras, Raúl

doi:10.1157/13124003

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2009

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Cited by 2 publications

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“…Apart from bradycardia, there are also rhythm changes in the form of atrial and ventricular extrasystoles. We can see a significant increase of the QT interval [ 6 , 9 , 10 ] in up to a 40% of the cases according to some studies. This, altogether with sinus bradycardia, can trigger polymorphic ventricular tachycardias, thus increasing the risk of sudden death [ 6 ].…”

Section: Discussionmentioning

confidence: 84%

Prolonged QT interval in a man with anorexia nervosa

Macías-Robles¹,

Perez-Clemente²,

Maciá-Bobes³

et al. 2009

Int Arch Med

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Anorexia nervosa is an eating disorder characterized by the avoidance of food intake, which usually leads to a weight loss. Cardiac co-morbility is common and we can find sometimes a mass loss from the left ventricle, which can be seen by echocardiography. But the commonest complications are rhythm variations, typically bradycardia with a prolonged QT interval in up to a 40% of the cases, which altogether elevates ventricular tachycardia and sudden death risk. We present the case of a male who was diagnosed with anorexia nervosa and developed asthenia, a long QT interval and also a severe both hypokalaemia and hypomagnesaemia. We intend to discuss the pathogenic paths as well as prophylactic and therapeutic measures to this potentially-lethal pathology.

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