Cardiodesfibriladores implantables: ¿se puede predecir un umbral desfibrilatorio elevado antes del implante? / Implanted cardiodefibrillator: can be predictible and elevated defibrillation threshold testing previous to the implantation?

Implanted cardiodefibrillators devices are being used with increasing frequency to provide primary and secondary prevention of arrhythmic sudden death. Between March 2003 through Febraury 2005, 99 consecutive patients were included in a study to test the defibrillation threshold at the time of an implantable cardiofibrillator insertion. The systematic measurement of defribillation threshold during the insertions of an implanted defibrillator, still is a necessary resource in order to identify patients in whom the margins of standard security could not guarantee a successful defibrillation. The possibility to identify elevated defibrillation threshold testing is very important to be determined at the time of indications for the insertion of an implanted cardiodefibrillator. These consideations are discussed in the article

Algoritmo para la evaluación del paciente con síncope. Rendimiento diagnóstico / Algorithm for the evaluation of patients with syncope. Diagnostic output

Syncope is a symptom characterized by transient and autolimited loss of consciousness, generally accompanied by the inhability to stand upright and maintain postural tone, spontaneous recovery and without sequelae. It is produced by a sudden cerebral global and transient hypoperfussion. After assessment of the symptoms and its possible mechanism, it is mandatory to determine if it is an essential syncope or otherwise another entity resembling a syncope, in order to discard it rapidly....Other details are commented in the article