Amitoj Singh, MBBS, MD, FACC
Amitoj Singh, MD, is a clinical associate professor in the Division of Cardiology at the University of Arizona College of Medicine – Tucson, a member of the Sarver Heart Center and a cardiologist at Banner – University Medical Center Tucson. He is a board-certified cardiologist and clinical researcher specializing in non-invasive cardiovascular imaging, with expertise in hypertrophic cardiomyopathy, multi-modality imaging in cardiac sarcoidosis and amyloidosis, and cardiovascular diseases associated with marijuana use.
Dr. Singh earned his medical degree from Government Medical College Patiala in Patiala, India, and completed his internal medicine residency at Saint Peter's University Hospital in New Brunswick, New Jersey. During his residency, he also completed a Mini-MBA fellowship at Rutgers University and a Clinical Research Organization Management Program at Drexel University.
He went on to complete a fellowship in cardiovascular disease at Temple-Saint Luke’s University Hospital, Bethlehem, Pennslyvania. During his fellowship, he developed an interest in cardiac imaging and pursued research in hypertrophic cardiomyopathy and cardiac diseases related to marijuana use. He also served as a chief fellow during the third year of his fellowship. Most recently, he completed an advanced cardiovascular imaging fellowship at the Brigham and Women’s Hospital, Harvard Medical School in Boston.
Dr. Singh is board-certified in cardiovascular disease, nuclear cardiology and internal medicine. He is a member of the American Heart Association, the American College of Cardiology, the American Society of Nuclear Cardiology, the Society for Cardiovascular Magnetic Resonance, and the Society of Cardiovascular Computed Tomography. He served three terms on the American Heart Association’s Cardiovascular Disease in the Young Committee and is currently a member of the Council on Clinical Cardiology and Council on Cardiovascular Radiology and Intervention.
Teaching Interests
Cardiovascular Imaging
Infiltrative Cardiology
Preventative cardiolology
Research Interests
Dr. Singh’s clinical and research interests include hypertrophic cardiomyopathy, cardiac sarcoidosis, cardiac amyloid, preventative cardiology, Takotsubo cardiomyopathy, coronary microvascular disease (CMD), cannabinoid-induced cardiovascular disease, preventative cardiology and multimodality cardiovascular imaging, including cardiac CT, cardiac PET, cardiac MRI and echocardiography. He is also involved in population-based research using large national databases.
Recent Publications:
Pham HN, Kanaan C, Ibrahim R, Abdelnabi M, Soin S, Bcharah G, Habib E, Baqal O, Farina J, Xie J, Singh A, Ayoub C, Arsanjani R, Lee JZ, El Masry H, Sorajja D, Chahal AA. Incidence of arrhythmias in chronic obstructive pulmonary disease, obstructive sleep apnea, and overlap syndrome: A retrospective cohort study. Heart Rhythm. 2025 Mar 6;. doi: 10.1016/j.hrthm.2025.02.042. [Epub ahead of print] PubMed PMID: 40043862.
Pham HN, Ibrahim R, Sainbayar E, Olson A, Singh A, Khanji MY, Lee J, Somers VK, Wenger C, Chahal CAA, Mamas MA. Burden of Hyperlipidemia, Cardiovascular Mortality, and COVID-19: A Retrospective-Cohort Analysis of US Data. J Am Heart Assoc. 2025 Mar 4;14(5):e037381. doi: 10.1161/JAHA.124.037381. Epub 2025 Feb 27. PubMed PMID: 39526321.
Shahid M, Pham HN, Ibrahim R, Sainbayar E, Abdelnabi M, Pathangey G, Singh A. Disparities in cardiac arrest mortality among patients with chronic kidney disease: A US-based epidemiological analysis. J Arrhythm. 2025 Feb;41(1):e13217. doi: 10.1002/joa3.13217. eCollection 2025 Feb. PubMed PMID: 39817030; PubMed Central PMCID: PMC11730704.
Olson A, Pham HN, Ibrahim R, Salih M, Singh A, Mamas MA. Disparities in Peripheral Artery Disease-related Mortality in Chronic Inflammatory Disease in the United States from 1999 to 2020. Curr Cardiol Rev. 2024 Dec 10;. doi: 10.2174/011573403X353038241125050631. [Epub ahead of print] PubMed PMID: 39660527.