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https://www.selleckchem.com/products/c25-140.html A 57-year-old man on maintenance hemodialysis was admitted to a hospital after suffering from cardiac arrest. He had collapsed soon after hemodialysis and was restored to sinus rhythm after receiving direct-current shocks. Further examination revealed old myocardial infarction with triple-vessel disease, and he was referred to our hospital for surgical treatment. Soon after performing coronary artery bypass grafting, we started the patient on intravenous amiodarone for frequent ventricular tachycardia. However, incessant ventricular tachycardia occurred frequently which necessitated several countershocks. Although ventricular tachycardia disappeared by replacing intravenous amiodarone with intravenous nifekalant, it reappeared when we initiated oral amiodarone instead of intravenous nifekalant. So therefore, we stopped using any anti-arrhythmic drug except bisoprolol fumarate, whereby ventricular tachycardia ceased once again. Amiodarone is known as relatively safe anti-arrhythmic drug that is often used after cardiovascular surgery. However, we should pay close attention to the possibility of amiodarone-induced arrhythmia.Transcatheter aortic valve replacement(TAVR) in the treatment of patients with severe aortic valve stenosis (AS) has evolved on the basis of evidence from clinical trials. A 84-year-old woman with a complaint of dyspnea was diagnosed with severe AS. A preoperative computed tomography (CT) revealed huge mural thrombus at descending aorta, therefore we planned direct aortic access for TAVR to avoid embolism. Transesophageal echocardiography revealed fluttering echogram at left ventricular outflow tract. After TAVR the fluttering echogram disappeared. A postoperative CT revealed spleen infarction. In such cases, we should keep in mind that surgical AVR can be a treatment option.A 70-year-old man, who had undergone aortic valve neocuspidization using his own pericardium 8 months before, complained of b

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