Specialty
Cardiology: find cardiologists and care information
Cardiologists diagnose and treat conditions of the heart and blood vessels — from high blood pressure and chest pain to arrhythmias, heart failure, and valve disease.
When to see a cardiologist
- Chest pain, pressure, or tightness with exertion
- Palpitations, a racing heart, or fainting spells
- Shortness of breath or swelling in the legs
- An abnormal ECG, murmur, or stress-test result
- A strong family history of early heart disease
Areas within cardiology
Cardiologists in our directory
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Conditions cardiologists treat
Coronary artery disease
Evaluation of chest pain, stress testing, and risk-factor management.
Atrial fibrillation
Rhythm and rate control, anticoagulation, and ablation referral.
Heart failure
Medication optimization, monitoring, and device evaluation.
Resistant hypertension
Work-up for secondary causes and advanced treatment.
Common procedures & tests
What to expect at a visit
Expect a focused history, blood pressure and heart exam, an ECG, and often an echocardiogram or stress test scheduled as a follow-up.
Insurance & referrals
Most visits are billed to medical insurance. Some imaging and stress tests require prior authorization — the office usually handles this.
Seek emergency care for
- • Chest pain lasting more than a few minutes, or spreading to the arm or jaw
- • Sudden severe shortness of breath
- • Fainting, or a very fast heartbeat that will not slow down
Frequently asked questions
- Do I need a referral to see a cardiologist?
- Many plans let you self-refer, but HMO plans usually require a referral from your primary care doctor.
- What is the difference between a cardiologist and a cardiac surgeon?
- Cardiologists manage heart disease medically and with catheter-based procedures; cardiac (cardiothoracic) surgeons perform open-heart operations such as bypass and valve replacement.
- How should I prepare for a stress test?
- Wear comfortable shoes, avoid caffeine for 24 hours, and ask whether to hold any heart medications beforehand.
Related specialties
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