During a literature search this case was identified and reported on 18-dec-2020.A (b)(6)-year-old male patient underwent a mitral and tricuspid valve surgery with left atrial appendage occlusion.A transesophageal echocardiogram confirmed proper valve function without insufficiency.After patient was awake and stable, an ekg was performed and showed a third-degree atrioventricular block and blood levels of creatine kinase were within the normal range.On the first postoperative day patient showed indications of myocardial ischemia.A transthoracic echocardiogram showed patient's ejection fraction was reduced to 30%, and the patient was transferred to cardiac catheterization where stenosis of the left circumflex coronary artery was detected.Patient was referred for percutaneous coronary intervention where a stent was implanted into the affected coronary artery.The further course on the icu was uneventful.This was a procedural complication.There was no reported device malfunction.
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