Health & Medicine

Cardiologist

Diagnose and treat heart and blood vessel problems using tests, medicine, and small procedures

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What does a Cardiologist do?

Cardiologists work in hospitals, heart clinics, and testing labs. They read heart tests and treat problems like high blood pressure and heart failure. Some place small tubes called stents to open blocked vessels. It fits people who like anatomy, careful reasoning, and quick decisions.

A day in the life

6:30 AMRound on heart patients in the hospital
8:00 AMRead heart tracings and ultrasound images
9:30 AMSee clinic patients about chest pain and blood pressure
12:00 PMPerform a procedure in the heart lab
2:30 PMTalk with patients about food, exercise, and medicine
5:00 PMAnswer calls from the emergency room

What's great

  • Treat problems that can save lives
  • Mix of tests, procedures, and patient talks
  • Many subspecialties to choose from
  • Clear ways to see if treatment worked

The hard parts

  • About 10 years of training after college
  • Emergency calls at night and on weekends
  • Serious illness and loss are part of the work
  • Long hours on your feet in procedure rooms

What is a Cardiologist's salary and outlook?

$138k – $345k
Salary Range
Doctorate / Professional degree
Typical Education
Growing

Typical pay in this guide runs from about $138,000 to $345,000 a year, with a midpoint around $230,000. These are planning figures for students, not a job offer or an official wage.

CareerLens rates the outlook as Growing.

For the official national outlook, see BLS Occupational Data.

How do you become a Cardiologist?

A common path is MD or DO, then 3 years of internal medicine and 3 years of cardiology fellowship. The ladder often runs from Internal Medicine Resident to Cardiologist, then Director of the Cardiac Catheterization Lab, and Chief of Cardiology. Other routes: Extra fellowship in heart rhythm or heart failure; Board certification in cardiovascular disease; Osteopathic medical school (DO) instead of MD.

  • Extra fellowship in heart rhythm or heart failure
  • Board certification in cardiovascular disease
  • Osteopathic medical school (DO) instead of MD

Career path

Entry level
Internal Medicine Resident
Mid career
Cardiologist
Senior
Director of the Cardiac Catheterization Lab
Executive
Chief of Cardiology

Will AI replace a Cardiologist?

How much will AI change this job?

Quite a bit

AI will help with some tasks in this job, while the most important parts stay human.

AI helps cardiologists read data faster, but heart care stays personal.

Cardiologists will use AI tools to scan heart images, spot patterns, and organize patient data more quickly. This gives doctors more time to talk with patients and plan treatment. The heart of the job, caring for people through tough health decisions, still needs a real person.

AI can help with

  • Scanning heart scans and EKGs for early warning signs
  • Organizing patient history and test results quickly
  • Suggesting possible diagnoses based on similar cases

What stays human

  • Explaining diagnoses and comforting worried patients
  • Making final calls on tricky or unusual cases
  • Performing hands-on procedures like surgery or catheter work

Skills to build now

  • Study biology and health science in school
  • Practice clear communication through speaking or writing
  • Build comfort with math and reading data or graphs

Based on public research from Anthropic and OpenAI, drafted with AI, checked automatically, and read by a person. How we know

This describes how the work may change. It is not a prediction that the job will disappear.