Ryan Geffin, MD

Board-eligible cardiologist completing fellowship at Cleveland Clinic Florida with clinical focus in general and sports cardiology. Committed to long-term academic and clinical practice in South Florida.

• Geffin R, Nandigam L, Rico Mesa M, et al. Hypercoagulability in COVID-19. In: Understanding the Pandemic. Elsevier; 2025:387-407.
• Nandigam L, Rico Mesa MA, Geffin R, et al. D-dimer in systemic circulation and COVID-19 outcome. In: Understanding the Pandemic. Elsevier; 2025:369-385.
• Majid M, Aamer A, Geffin R, Klein A. Mechanical circulatory support in HF-related cardiogenic shock: NIS 2016–2022. Circulation. 2025;152(Suppl 3):4371102.
• Geffin R, Triska J, Najjar S, et al. Why do we keep missing left circumflex myocardial infarctions? J Electrocardiol. 2024;83:4-11.
• Segar M, Raiker N, Subramanian V, Geffin R, et al. Biomarker-based phenomapping in chronic stable HFpEF: RELAX trial analysis. J Am Heart Assoc. 2023.

• Geffin R, et al. Left Ventricular Free Wall Rupture Associated with Coronary Cusp Thrombus in an LVAD Patient. American College of Cardiology Scientific Session (ACC.26); 2026; New Orleans, LA.
• Geffin R, et al. The Watchman Went Sideways — Now What? 27th Annual Cleveland Clinic Structural Valve Imaging Summit; 2025; Hollywood, FL.
• Geffin R, et al. A Rocking Diagnosis. Society of General Internal Medicine Annual Meeting; 2023; Aurora, CO.

• Executive Member, Internal Medicine Residency Recruitment Committee, Baylor College of Medicine
• Academy of Resident Educators
• Facilitator, Simulation Lab & POCUS workshop
• Participant, Global Health Experiences in Peru (Amazon River) and Nicaragua

• General and Preventive Cardiology
• Sports Cardiology and athlete cardiovascular evaluation
• Structural Heart Disease and Multimodality Imaging