Cardiology Specialties Explained: What Each Type of Heart Doctor Does
October 5, 2026 · 2 min read
Medically reviewed by the physicians of Gilead Heart & Vascular · Last reviewed: 2026-10-05
Cardiology covers several distinct specialties, general, interventional, electrophysiology, preventive, and vascular medicine, each focused on a different part of heart and vessel care.
Why Cardiology Isn't One-Size-Fits-All
Cardiology is a broad field, and most cardiologists focus their training and practice on a particular area within it. Understanding the differences can help you make sense of why you've been referred to a specific type of specialist, or what to ask about when scheduling.
General Cardiology
General cardiologists diagnose and manage a wide range of heart conditions, from high blood pressure to heart failure to coronary artery disease. For most patients, a general cardiologist is the starting point, coordinating further specialist care if it's needed.
Interventional Cardiology
Interventional cardiologists perform catheter-based procedures, such as angioplasty and stent placement, to treat blocked or narrowed arteries without open surgery.
Electrophysiology
Electrophysiologists focus specifically on the heart's electrical system, diagnosing and treating arrhythmias like atrial fibrillation, often using procedures such as catheter ablation or device implantation.
Preventive Cardiology
Preventive cardiologists focus on identifying and managing risk factors, such as cholesterol, blood pressure, and lifestyle factors, before they progress into serious heart disease.
Vascular Medicine
Vascular specialists treat conditions affecting blood vessels outside the heart itself, including peripheral artery disease and venous conditions.
How to Know Which Specialist You Need
You don't need to figure this out on your own. Most patients start with a general cardiologist, who evaluates your symptoms and history and refers you internally to a subspecialist, an electrophysiologist for a rhythm issue, an interventional cardiologist for a blockage, if one is needed. Practices that offer multiple specialties under one roof, like ours, can often make that handoff without sending you to an entirely separate office.
Frequently Asked Questions
What's the difference between a general cardiologist and a specialist?
A general cardiologist manages a broad range of heart conditions and coordinates further specialist care when it's needed; specialists focus on a narrower area.
Do I need to know which type of cardiologist to ask for?
Not necessarily. Most patients start with a general cardiologist, who will refer you to a subspecialist if your condition calls for one.
Can one practice cover more than one cardiology specialty?
Yes. Practices like ours combine interventional, preventive, and vascular care so most patients don't need to be referred elsewhere.
Related Reading
Want to be seen soon and skip the wait at a place close to home? Gilead Heart & Vascular provides care across interventional cardiology, preventive cardiology, and vascular medicine, so most patients can get comprehensive care without being bounced between separate practices.
Have a question about your heart health?
Talk it through with your doctor at any Gilead Heart & Vascular location.