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Cardiology vs. Infectious Diseases: Which Specialty is Right for You?

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by Yousmle Staff in Career

Cardiology vs. infectious diseases is one of the debates among medical students interested in physiology. Both specialties allow you to explore the complex workings of the human body and use your skills to improve patient outcomes. However, they also have significant differences, such as the scope of practice, the work environment, and the training requirements.

How do you decide which one is right for you? In this article, we will provide helpful information and tips to help you make an intelligent decision on cardiology vs. infectious diseases and find a fulfilling career that matches your interests and abilities. We will also help you evaluate practical factors such as job availability, salary, and training duration.

Cardiology vs. Infectious Diseases: Salary and Job Security

Cardiology might be your specialty if you want to earn a lot of money and have a steady demand for your services. But be prepared for a competitive job market after fellowship, even if you graduate from a prestigious program. A Harvard-MGH fellow once told me, “I’ll consider myself lucky if I find a job in a city I recognize.”

Infectious diseases sub-specialty, meanwhile, offer more job openings. You can easily find a hospital that needs infectious disease specialists, and the career outlook is positive, even if the salary is not as high as cardiology. But infectious diseases specialty also comes with some challenges, such as higher burnout and less job security, which we will discuss later.

According to recent data, cardiologists earn an average annual salary of $507,000, while infectious disease specialists have a considerably lower average salary of $262,000. Of all medical specialties, only orthopedists and plastic surgeons have higher average annual salaries than cardiologists, with orthopedists earning $573,000 and plastic surgeons earning $619,000.

Estimated Physician Average Yearly Salary by Medical Specialty in the US

Cardiologists earn $507,000 per year on average, while infectious disease specialists earn less with $262,000 annually

Cardiology vs. Infectious Diseases: Competitiveness

Here we can assess the competitiveness of a specialty by looking at the unmatched rate – the % of people who apply and do not match into their preferred specialty.

To pursue a career in cardiology or infectious diseases, you must first match into an internal medicine residency. Among US Seniors, the unmatched percentage for internal medicine residency was only 2%, making it less competitive than other residencies. However, this does not mean that infectious diseases or cardiology are less competitive. After completing your internal medicine residency, you will still need to match into a fellowship, which is generally more competitive than matching into a residency. 

Cardiology vs. Gastroenterology

Below is the unmatched percentage among non-pediatric fellowships with >100 applicants. The unmatched percentage of US Seniors applying to the cardiovascular diseases fellowship was 16.6%, making it highly competitive compared to most fellowships with >100 applicants. In comparison, the unmatched percentage of US seniors applying to infectious diseases was 3.2%, making it less competitive than the cardiovascular diseases fellowship.

Cardiology vs Infectious Diseases

Training Path: Fellowship vs. Residency

The training pathways for cardiology and infectious diseases are quite similar. To become a cardiologist, you must complete a three-year residency in internal medicine, followed by a cardiology fellowship. Similarly, to become an infectious disease specialist, you must complete a two-year fellowship in infectious diseases after completing an internal medicine residency.

An infectious diseases fellowship is generally less competitive than a cardiology fellowship. Your USMLE scores, med school, and research are the main things for residency applications. Research is also a big thing for fellowship applications, and your residency program counts more, but your USMLE scores matter much less.

Cardiology vs. Infectious Diseases: Work-Life Balance

Work-life balance is a crucial factor for many medical professionals. Infectious disease specialists often enjoy a better work-life balance due to the nature of their work. They usually have predetermined working hours, leading to more predictable schedules. However, it’s worth mentioning that this also means infectious disease specialists are thought to be more easily replaced, as they don’t typically maintain a panel of patients like their cardiology counterparts.

Cardiology, an often patient-centric specialty, requires building long-lasting patient relationships. While this can be rewarding, it also means carrying a patient panel and more administrative work.

That being said, cardiologists work an average of 56.2 hours/week, ranking third after general surgeons and intensivists who work 57.4 and 57.7 hours, respectively. Infectious diseases ranked near the upper end of medical specialties, with an average of 53.1 weekly working hours.

Estimated Physician Weekly Working Hours by Medical Specialty in the US

Cardiologists work an average of 56.2 hours per week, while infectious disease specialists work slightly fewer hours, at 53.1 per week.

Cardiologists have high documentation requirements, such as referral letters and diagnostic tests, resulting in an estimated 16 hours of admin/paperwork per week. The estimated physician admin/paperwork hours were not provided for infectious disease specialists, but you can see estimated paperwork hours for other specialties below.

Cardiologists work on admin/paperwork an average of 16 hours per week.

Training Duration and Subspecialties

The training duration is a key aspect to consider when choosing between cardiology vs. infectious diseases. Infectious diseases specialty requires a minimum five-year training period, including three years of internal medicine residency. On the other hand, cardiology has a minimum of six years of training, including three years of internal medicine residency.

In addition, cardiologists often pursue more subspecialty training in fields like echocardiography or electrophysiology because of the scarce job opportunities. This can increase the length of your cardiology training.

Cardiology vs. Infectious Diseases: Job Satisfaction and Burnout Rates

Job satisfaction plays a significant role in career fulfillment. According to various studies, cardiology tends to have higher job satisfaction rates than infectious diseases. Many cardiologists express contentment with their career choice and would choose it again if given the chance. Additionally, cardiology has lower reported burnout rates than infectious diseases specialty.

According to recent data, cardiology ranked near the upper end of all medical specialties with 93% of cardiologists stating that they would choose the same specialty again, while infectious diseases ranked slightly lower with 88% of infectious disease specialists feeling the same way.

Job Satisfaction Rate By Medical Specialty in the US

Cardiologists reported a 93% job satisfaction rate, while infectious disease specialists reported slightly lower satisfaction with 88%

That being said, the burnout rates for cardiology were 43%, near the lower end of all medical specialties. In contrast, infectious diseases had a burnout rate of 58%, which ranked among the upper end of all medical specialties.

Burnout Rate By Medical Specialty in the US

Cardiologists have a burnout rate of 43%, while infectious disease specialists have a higher burnout rate of 59%

Cardiology vs. Infectious Diseases Comparison

To provide a visual overview, here’s a table comparing cardiology and infectious diseases:

AspectCardiologyInfectious Diseases
Average SalaryGenerally high income due to specialization, especially in interventional cardiologyLower than cardiology
Job SecurityHigh demand due to an aging population and the prevalence of cardiovascular diseasesHigh demand due to increasing rates of infectious diseases and outbreaks
Training PathTypically involves 3 years of internal medicine residency followed by a 3-year cardiology fellowshipTypically involves 3 years of internal medicine residency, and 2 years of infectious diseases fellowship
LifestyleVaried; may involve on-call responsibilities, long working hours, and outpatient clinic dutiesRegular working hours.
Administrative PaperworkHigh documentation requirements such as notes, test orders, and referral lettersLower documentation requirements
Job SatisfactionGenerally high but can vary with the work environment and patient outcomesLower
Burnout RatesRelatively low Higher
PersonalityStrong analytical skills, attention to detail, ability to handle stress and pressureAnalytical, enjoy medical puzzles

Please note that this table serves as a general comparison. To determine the most suitable career for you, consider your personal and career priorities and goals.

Concluding Thoughts

Choosing the right specialty between cardiology vs. infectious diseases depends heavily on your priorities. To determine this, try reverse engineering your ideal life and identify your top priority. A helpful exercise is to write down the top five things you want to achieve in your career and personal life. Knowing these priorities will make finding a career that aligns with them easier. Often, the biggest obstacle is not a lack of knowledge about different fields but a lack of self-awareness about our preferences.

Want FREE Cardiology Flashcards?

Cardiology is key for impressive USMLE scores. Master cardiology from a Harvard-trained anesthesiologist who scored USMLE 270 with these 130+ high-yield flash cards. You’ll be begging for cardio questions - even if vitals make you queasy.

Subscribe