It was reported that post-operative to a cardiac resynchronization therapy defibrillator (crt-d) implant procedure, the patient experienced shortness of breath, chest pain, and hypotension; a pneumothorax was suspected however the chest x-ray was negative.During an echocardiogram, the patient became unresponsive, hypoxemic, hypotensive, and coded.The patient then recovered and a computerized tomography (ct) scan confirmed a left side hemothorax.Hypovolemic shock was noted, so a chest tube was placed to drain the hemothorax, but again the patient became hypotensive, so it was addressed with medicine.An angiogram confirmed a globular pseudo-aneurysm with arterial bleeding at the left anterior first rib.An arteriovenous fistula was embolized to resolution, the chest tube was removed, and the patient was to be treated medically.The following day, the left subclavian artery was repaired (stent grafts, thrombectomy) and a chest tube re-placed in the hemothorax, additional to a pleural catheter.The patient had continual shock and developed atrial fibrillation (af), which was successfully cardioverted; a repeat chest x-ray showed a new pneumothorax.The following day, the patient was extubated, and alert and responsive, but weak, showing only a stable small left apical pneumothorax.The device remains in use.The patient is a participant in the (b)(6) study.No further patient complications have been reported as a result of this event.
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