en General گزارش مورد case report Introduction: Dilated cardiomyopathy following total thyroidectomy is an unusual, very rare event, which is intractable to conventional therapies for heart failure. Case Presentation: We report dilated cardiomyopathy in a 48-year-old woman after total thyroidectomy, by diminishing the left ventricular ejection fraction and transient ventricular tachycardia, which is identified as the manifestation of rapid hypocalcemic situation. Conclusions: This study indicates the importance of electrolyte disturbance correction for hypocalcemia as a rare cause of cardiomyopathy and emphasizes the immediate treatment of this disorder for the enhancement of patient prognosis. Hypocalcemia,Ventricular Tachycardia,Acute Heart Failure 0 0 http://mcj.bums.ac.ir/browse.php?a_code=A-10-1-143&slc_lang=en&sid=1 Reza Ghasemi 10031947532846002065 10031947532846002065 No Department of Cardiology, 9 Day Hospital, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran Mehdi Miri 10031947532846002066 10031947532846002066 No Department of Critical Care Nursing, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran Maliheh Khorsandi 10031947532846002067 10031947532846002067 No Department of Congenital Heart Disease, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran Mohsen Yaghubi 10031947532846002068 10031947532846002068 Yes Department of Extra-Corporeal Circulation (ECC), Razavi Hospital, Imam Reza International University, Mashhad, Iran. Email: n.m.yaghubi@gmail.com