This case highlights an unusual cause of cardiogenic shock following initially successful cardiac resynchronization therapy.
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May prompt consideration of atypical etiologies in post-CRT cardiogenic shock; leaves open whether systematic evaluation alters outcomes.
Cardiac resynchronisation therapy (CRT) has been shown to improve symptoms, exercise capacity and left ventricular function, as well as a reduction in morbidity/mortality in heart failure patients. Failures following initial success of this treatment are mostly related to lead dislodgement. Another entirely different reason is presented in this case study.
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Kanhai et al. (2004) studied this question.
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