Post market clinical follow up study protocol of the on-x ascending aortic prosthesis (aap) - subject on 17jul2014 43 days post implant, subject experienced ventricular tachycardia.Subject was started on an iv of amiodarone and was discharged 5 days later.On (b)(6) 2015, subject experienced ventricular tachycardia was hospitalized for 3 days and then discharged, no other details of the event were provided.Product code and serial number are unknown.The valve remains implanted and will not be returned for evaluation.No additional information forthcoming.
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