Pt to cath lab for acute mi/nstemi.Pt had multi-vessel disease, plan was to attempt intervention of r coronary artery, the lesion was a chronic total occlusion and was unable to be crossed.Decision was made to proceed with intervention of l circumflex artery.The lesion was difficult to cross due to angulation.The balloon was able to cross l circumflex lesion.An onyx stent was advanced but would not cross lesion and with pulling back of the stent, it came off the delivery balloon.Attempt was made to retrieve the stent but would not retract and appeared to interrupt flow in lad artery.Pt became unstable and md felt best to proceed with pci to lad.A stent was successfully delivered to that vessel.L circumflex remained occluded, multiple attempts made with different wired but not successful.Surgery consulted.Pt worsened, repeat angiography obtained, showed occlusion of lad stent site so repeat ptca preformed.Pt had reoccurring vfib and acls.Cpr initiated with no response.Pt expired.Fda safety report id# (b)(4).
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