Heartburn vs. Heart Attack: How to Tell the Difference

You’ve just eaten dinner, and a burning sensation creeps up from your stomach into your chest. You might chalk it up to heartburn and wait it out. But then there’s that nagging question: Could this be my heart? That worry is understandable, and you aren’t alone.

At Advanced Medical Care, we hear from many people who struggle to tell whether what they’re feeling is gastrointestinal or cardiac. Let’s talk through the key differences so you can move forward with confidence when symptoms show up.

What heartburn feels like

Heartburn occurs when stomach acid gets backed up into your esophagus — the tube that transports food from your mouth to your stomach. The lining of the esophagus isn’t built to handle that acid, and the result is a burning sensation behind your breastbone.

Common features of heartburn or gastroesophageal reflux include:

• A burning feeling in the chest, often after eating
• Discomfort that moves upward, sometimes toward your throat
• A sour or bitter taste in your mouth
• Symptoms that worsen when you lie down or bend over

Many people can manage heartburn with lifestyle changes or medication.

What a heart attack may feel like

A heart attack — medically called a myocardial infarction — occurs when something blocks blood flow to part of your heart. Without oxygenated blood, that part of the heart begins to die — and the sooner you recognize it, the better your chances of preventing lasting damage.

Though heart attack symptoms can vary from person to person, common signs may be:

• Pressure and/or a feeling of squeezing, fullness, or pain in the center of your chest
• Pain that spreads to your shoulder, arm, jaw, neck, or back
• Shortness of breath
• Cold sweat, nausea, or lightheadedness

Although the chest sensation can feel similar to heartburn, heart attack discomfort often doesn’t go away with antacids or by changing position. It may be accompanied by other worrying symptoms such as nausea, trouble breathing, or pain spreading beyond the chest.

How to tell them apart

There’s no single test you can perform at home that definitively rules out a heart attack, but there are patterns that can help you distinguish between the two.

With heartburn, for example, the pain usually:

• Follows a meal
• Improves when you stand up, take antacids, or avoid certain foods
• Is localized more toward the upper abdomen or chest without spreading

Heart attack discomfort, on the other hand, tends to:

• Begin suddenly or unpredictably
• Have accompanying symptoms like shortness of breath or sweating
• Fails to improve with antacids or changes in position

Another big clue is what triggers the pain. If it flares during or right after physical exertion, or if it feels heavy or constrictive — especially coupled with nausea or breathlessness — it’s time to take it seriously.

Women, older adults, and people with diabetes sometimes have atypical heart attack symptoms, such as unusual fatigue, dizziness, or discomfort in the neck or back — which is why paying attention to how the whole body feels is so important.

When to seek medical care

If there’s any doubt that your chest discomfort could be cardiac in nature, the safest step is to head to the emergency department or call for immediate help. Heart attacks are medical emergencies, and faster treatment can save heart muscle and save lives.

If you’re fairly certain the discomfort is heartburn, but it’s happening frequently, waking you at night, or not responding to over-the-counter treatments, call us. Chronic acid reflux can damage your esophagus over time and may require a tailored treatment plan.

At Advanced Medical Care, our cardiology team evaluates symptoms like these with the full context of your health in mind. We use evidence-based diagnostics and personalized care plans to help you know what’s going on and what to do next.

What else could it be?

Chest discomfort doesn’t always fall neatly into the “heartburn” or “heart attack” category. Several other heart-related conditions can cause symptoms similar to both, which is why persistent or unexplained chest pain should never be ignored.

For example, angina causes chest pressure or tightness when the heart isn’t getting enough oxygen-rich blood, often during physical activity or stress. 

Arrhythmias, or irregular heart rhythms, can lead to palpitations, dizziness, chest discomfort, or shortness of breath that feels unsettling but isn’t always painful. 

Conditions such as cardiomyopathy or heart valve disease may create fatigue, breathlessness, or chest sensations that develop gradually and are easy to dismiss at first.

If you have recurring chest discomfort, shortness of breath, unexplained fatigue, or any new concerning symptoms, we’re here to talk through what it might mean. Call Advanced Medical Care in Queens or Brooklyn, New York, or schedule a consultation online, so we can help you understand your symptoms and feel confident about your health.