Association of Vitamin B12 and Folate Deficiency with Vasovagal Syncope: A Case-Control Study
Short Title: Vitamin B12 Deficiency and Vasovagal Syncope
Arya Aminorroaya MD MPH1,2, Ali Vasheghani-Farahani MD2,3, Hamed Tavolinejad MD2, Zahra Aryan MD MPH4, Somayeh Yadangi MSc2, Ali Bozorgi MD2, Saeed Sadeghian MD2, Mohammadali Boroumand MD5, Masud Yunesian MD PhD6, Masih Tajdini MD2
1 Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT2 Tehran Heart Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran3 Cardiac Primary Prevention Research Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran4 Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ, USA5 Department of Pathology and Laboratory Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran6 School of Public Health, Tehran University of Medical Sciences, Tehran, Iran