Parallax by Ankur Kalra

In this episode of Parallax, Dr Ankur Kalra speaks with Dr Sameed Khatana, Assistant Professor of Medicine at the University of Pennsylvania and clinical cardiologist at the Philadelphia VA Medical Center. Their conversation examines the growing connection between environmental factors and cardiovascular health. Dr Khatana explains why conditions like air quality and temperature represent important determinants of cardiovascular outcomes. He shares observations from his Philadelphia practice: patients unable to exercise outdoors during extreme heat, medication challenges for those on diuretics during heatwaves, and economic pressures that force difficult choices between cooling costs and other necessities. The discussion explores both clinical interventions and systemic solutions, including programs like LIHEAP (Low Income Home Energy Assistance Program) and municipal heat action plans. Dr Khatana presents research showing that vulnerable populations—particularly older patients with multiple cardiovascular