Imperial College London


Faculty of MedicineNational Heart & Lung Institute

Honorary Clinical Senior Lecturer







Royal BromptonRoyal Brompton Campus





Dr Nav Chahal is a consultant cardiologist at London Northwest Health NHS Trust; an Honorary Consultant at Royal Brompton Hospital and an Honorary Senior Clinical Lecturer at the National Heart and Lung Institute, Imperial College London. 

His PhD explored potential mechanisms underlying the increased risk of cardiovascular disease amongst Indian Asian and European white individuals recruited into the LOLIPOP (London Life Sciences Prospective Population) study. He has written several papers on the role of non-invasive imaging as an epidemiological tool for detecting subclinical disease, on ethnicity-related differences in cardiac function and on the role of stress imaging in the assessment of valvular disease.

In 2011 he was appointed as the advanced cardiac imaging fellow at The Royal Brompton Hospital and has developed extensive experience of performing stress echocardiography, transoesophageal echocardiography, cardiovascular MRI and cardiac CT.

His clinical research is currently focused on refining the assessment of valvular heart disease and chest pain with rest echocardiography, stress echocardiography and cardiac MRI. He has also established collaboration with the department of bioengineering at Imperial College, exploring techniques for quantifying myocardial blood flow and carotid plaque neovascularisation using ultrasonography.




Perera D, Ryan M, Morgan HP, et al., 2023, Viability and Outcomes With Revascularization or Medical Therapy in Ischemic Ventricular Dysfunction: A Prespecified Secondary Analysis of the REVIVED-BCIS2 Trial., Jama Cardiol, Vol:8, Pages:1154-1161

Hampson R, Botrous C, Chahal N, et al., 2022, Feasibility, efficacy and safety of exercise stress echocardiography during the COVID-19 pandemic, Open Heart, Vol:9, ISSN:2053-3624

Chahal NS, Senior R, 2021, Severe Patient-Prosthesis Mismatch Compelling Entity or an Epiphenomenon of Low Flow?, Circulation-cardiovascular Imaging, Vol:14, ISSN:1941-9651

Chahal N, Senior R, 2020, Assessing systolic function in aortic stenosis: the earlier the better?, Heart, Vol:106, ISSN:1355-6037, Pages:1200-1201

Vamvakidou A, Jin W, Danylenko O, et al., 2019, Low transvalvular flow rate predicts mortality in patients with low-gradient aortic stenosis following aortic valve intervention, Jacc: Cardiovascular Imaging, Vol:12, ISSN:1936-878X, Pages:1715-1724

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