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Episode of racing heart, dizziness, shortness of breath, chest pain post CABG 5-vessel. Stress test showed improper blood flow. Failed graft?

My dad had CABG 5-vessel in Jan 2011 after a heart attack a few days prior. About 4 ms after surgery he began hvng syncopal episodes of heart racing, dizzy, short of breath & slight chest pain . This always occurred after he had been outside and doing work, even as light as painting. A stress test done today revealed he is not getting enough blood flow to part of heart (inferior wall I think). He will hve heart cath done tomorrow, but they think its a blockage. His EF was 63%. Does this sound like a failed graft or new vein occlusion? What are his options?
Asked On : Sat, 11 Aug 2012
Answers:  1 Views:  97
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Cardiologist 's  Response
Dear patient,

Thanks for your concerns. When there is an obstruction of a bypass graft, the 2 options are to improve medical therapy, with medications to try to prevent progression of the plaque, but another opion is a block is noted and tecchnically feasible would be a stent to that vessel. After the Cath is done, we will know if there is or not an obstruction in the graft supplying the inferior wall.

Yours truly,

Dr Brenes-Salazar MD
Mayo Clinic MN
Answered: Tue, 2 Jul 2013
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