What is the Diagnosis?
Qual o Diagnóstico?
Patient OG, 62 years, with arrhythmogenic cardiomyopathy in the right ventricle and low-tolerated sustained tachycardia, user of an implantable ventricular single-chamber cardiovascular defibrillator (ICD), returned asymptomatic for routine evaluation. Th ere was no registry of sustained arrhythmia, and the limits of stimulation and sensitivity were checked and were appropriate. However, facing the device’s telemetry, it was detected lack of sensitivity in a ventricular extra-systole.
Ellenbogen KA, Wilkoff BL, Kay GN, Lau CP, Auricchio A. Clinical cardiac pacing defibrillation, and resynchronization therapy. 5a ed. Philadelphia: Elsevier; 2017. https://doi.org/10.1016/c2014-0-01314-7
Barold SS, Stroobandt X, Sinnaeve AF. Cardiac pacemakers step by step. Chichester: Wiley-Blackwell; 2004.
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