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Heart Health

When to See a Cardiologist: Warning Signs

Chatham Cardiac Care Team April 21, 2026 5 min read
Concerned woman sitting on her couch at home placing a hand on her chest

It's easy to explain away a racing heart as "too much coffee" or shortness of breath as "just getting older." Sometimes that's true. But some symptoms deserve a proper look — and catching a heart issue early almost always leads to better outcomes.

Symptoms worth a conversation with your doctor

Chest discomfort or tightness, unexplained shortness of breath, fainting or near-fainting, heart palpitations that come and go, swelling in the legs or ankles, and unusual fatigue with everyday activity are all reasons to ask your family doctor for a referral to a cardiologist.

When it's an emergency

Severe chest pain, chest pain with sweating or nausea, sudden weakness on one side of the body, or difficulty breathing that comes on suddenly are emergencies. Call 911 — do not wait for a scheduled appointment.

What a cardiology visit usually involves

A first visit typically starts with a conversation about your symptoms, medical history, and family history, followed by a physical exam. From there, your cardiologist may order tests — an ECG, an echocardiogram, bloodwork, or monitoring — depending on what they're looking for.

Family history matters more than people think

If a parent or sibling had heart disease at a relatively young age, that's valuable information for your doctor — even if you feel completely well. It often changes how proactively your risk gets managed.

Don't wait for certainty

You don't need to be sure something is wrong to ask for an assessment. Most referrals turn out to be reassuring — and when something does need attention, early is always better.

Have questions about your heart health?

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This article is for general information and is not medical advice. Always talk to your doctor. In an emergency, call 911.