Dr. Amitoj Singh, MD, is clinical assistant professor at the University of Arizona College of Medicine-Tucson, Division of Cardiology, a member of the UA Sarver Heart Center, and 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 completed his medical schooling at the Government Medical College Patiala in Patiala, India and his internal medicine residency at Saint Peters University Hospital in New Brunswick, NJ. During his residency he also completed a Mini-MBA fellowship at Rutgers University, NJ and a Clinical Research Organization Management Program at Drexel University, PA. Subsequently, he pursued a fellowship in cardiovascular disease at Temple-Saint Luke’s University Hospital, Bethlehem, PA, during which time he developed an interest in cardiac imaging and pursued research in hypertrophic cardiomyopathy and cardiac diseases related to marijuana use. He also served as chief fellow in 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, Boston, MA.
Dr. Singh is board-certified in cardiovascular disease, nuclear cardiology and internal medicine. He is a member of the American Heart Association, American College of Cardiology, American Society of Nuclear Cardiology, Society for Cardiovascular Magnetic Resonance, and 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.
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.
Read more about Dr. Singh's research here.
