A Black medical student with top board scores applies to cardiology fellowship. She has no research mentor, no letter from a famous cardiologist, and no one to tell her which programs to target. She does not match. The system calls it merit. But was it?
Health inequity is often discussed at the bedside, focusing on access to care, treatment decisions, and clinical outcomes. Yet by the time a patient reaches the hospital, many forces shaping their health have already been set in motion. Inequality in cardiovascular health does not begin in the patient room. It begins much earlier, in the structures that shape opportunity, education, and access to the medical profession itself.
Cardiovascular disease remains the leading cause of death in the United States and disproportionately affects Black communities. At the same time, Black physicians remain markedly underrepresented in cardiology. Estimates suggest Black cardiologists comprise only 3 to 5 percent of the cardiology workforce, far below their proportion in the population. The disparity is even starker at the fellowship match. Data show that Black applicants to cardiology fellowship are nearly 40 percent less likely to match compared to white applicants, even after adjusting for board scores and research productivity. This raises a difficult question. How can a system effectively address disparities in cardiovascular disease when the workforce itself does not reflect the populations most affected?
The pathway to cardiology is long and highly selective. It begins with access to quality primary and secondary education, continues through college and medical school, and culminates in residency and fellowship training. At each stage, opportunity is shaped not only by academic performance but also by access to mentorship, exposure, and professional networks. These factors are often invisible, yet they profoundly influence outcomes.
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For some trainees, mentorship and opportunity are readily available. They come from families or communities where medicine is familiar, where guidance is accessible, and where professional connections open doors. For others, particularly first-generation and underrepresented trainees, these pathways are far less visible. The difference is not a lack of ability or effort. It is a lack of access to networks developed over generations. That student who did not match? She did not lack talent. She lacked access.
This dynamic becomes especially apparent in competitive subspecialties like cardiovascular disease. Fellowship selection processes often rely on research productivity, letters of recommendation, and subjective assessments of “fit.” While intended to identify strong candidates, these criteria can reflect unequal access to opportunity. Research opportunities, mentorship from well-known faculty, and strong advocacy are not distributed evenly. Selection processes may unintentionally favor those already connected to established networks.
What is often described as merit may, in part, reflect access. The issue is not that standards are too high. The problem is that the pathway to meeting them is not equally accessible. This is not a pipeline problem. It is a power problem.
From a legal perspective, this raises important questions. Title VI of the Civil Rights Act prohibits explicit discrimination in federally funded programs, but it is less effective in addressing structural barriers. International human rights frameworks take a broader view, emphasizing equitable access to opportunity. Under this lens, disparities in representation are not incidental. They reflect systemic barriers that limit who can enter and advance.
Within cardiology, efforts to improve diversity have been led by professional organizations, including the Association of Black Cardiologists and the American College of Cardiology. These efforts are meaningful, yet progress remains uneven. Without transparent benchmarks and accountability, well-intentioned commitments risk remaining aspirational rather than transformative.
Addressing this requires structural change. Fellowship selection processes should be more transparent, with clearly defined criteria that reduce reliance on informal networks. Structured interviews and standardized evaluation tools can ensure more consistent assessment. Blinded review of certain application components may also reduce institutional bias.
Mentorship must be expanded deliberately. Formal programs connecting trainees with cardiology mentors can bridge gaps in access. Early exposure to the field, including research and clinical opportunities, should not depend on personal connections alone. These resources should be intentionally distributed.
Institutions must also examine how informal networks influence decision-making. Personal recommendations and professional familiarity can play a role in candidate selection, but without transparency, they risk reinforcing existing disparities. Recognizing this influence is an important step toward mitigating it.
The implications extend beyond workforce diversity. A more diverse physician workforce is associated with improved communication, greater patient trust, and better engagement in care, especially in communities that have historically experienced marginalization. In a field where outcome disparities are well documented, these factors are not secondary. They are central.
Ultimately, the question is not whether inequality exists within the pathway to cardiology. It is how the system responds. If disparities in cardiovascular outcomes are shaped by structural factors, then efforts to address them must extend beyond the clinic. They must include the systems that determine who enters and advances.
Health equity cannot be achieved solely through clinical care. It requires attention to the broader structures that shape both patient outcomes and physician opportunity. Until those structures are examined and reformed, disparities will persist, not because they are inevitable, but because the conditions that produce them remain unchanged.
This essay is cited in the KevinMD record on heart disease.
Teddy A. Teddy is an internal medicine resident.
