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Heartburn or a Heart Attack? 5 Silent Warning Signs You Should Never Ignore

Sep 16, 2026
Heartburn or a Heart Attack? 5 Silent Warning Signs You Should Never Ignore
Heartburn and heart attack can cause similar symptoms, but obviously, each requires a very different approach to care. Here, learn the subtle warning signs that can help you decide when you need to seek medical care right away.

We’ve all been there: The late-night snacking, the extra-spicy condiments, and the heavy, grease-laden fast-food binge — treats that were just too good to pass up. And now, we’re paying the price — heartburn, acid reflux, and painful sensations nestled deep in our chest.

That type of chest pain isn’t uncommon — and it’s also rarely serious, usually calmed with antacids or other medications, along with — hopefully — better judgment next time.

Sometimes, though, chest pain can be a sign of something more serious, like a heart attack. Knowing how to tell the difference between indigestion and heart attack symptoms is the key to preventing serious — and even life-threatening — complications. 

In this post, the team at Advanced Medical Care offers simple tips to help you decide when it’s time to reach for antacids and when you should call our office — or 9-1-1.

1. Chest pressure, tightness, or discomfort

When many of us think of a heart attack, we think of the Hollywood version: severe, sudden, chest-gripping pain that quickly overwhelms us. While some heart attacks can happen like that, the symptoms are often subtler and harder to identify.

For instance, some heart attacks cause symptoms like intense pressure, squeezing, tightness, fullness, or burning sensations — similar to heartburn sensations. Symptoms may be constant or may come and go. 

The bottom line is that if your pain feels unusual in any way or if it happens during or right after physical activity, you definitely need to take it seriously and schedule an evaluation with our team.

2. Shortness of breath

Shortness of breath after intense exercise is normal, especially if you’re unused to that level of activity. 

On the other hand, experiencing significant shortness of breath or feeling unexpectedly winded during everyday activities — or even when resting — can be a warning sign of a heart attack or other serious cardiovascular problems. 

3. Unusual fatigue

Everyone feels tired occasionally, but heart-related fatigue often feels different from normal tiredness. If you have a heart condition, you might feel drained despite getting plenty of good-quality sleep, or everyday activities like climbing the stairs or even walking short distances may feel like they require more effort than they used to.

This symptom can be easy to overlook because fatigue is associated with so many conditions. That said, sudden or unexplained fatigue should definitely be evaluated, especially when it occurs with other symptoms.

4. Nausea, sweating, or discomfort in other areas

While heartburn typically lingers in the area just below your breastbone, heart attack symptoms aren't always limited to your chest. Discomfort in other areas, such as your jaw, neck, back, shoulders, or arms, isn’t uncommon. Or, you might have symptoms like nausea, vomiting, dizziness, or a sudden cold, clammy sweat.

Because these symptoms can mimic other, more benign problems, it’s easy to dismiss them — at least initially. However, if they happen alongside chest discomfort, shortness of breath, or other unusual symptoms, it's time to call our office right away for an evaluation.

5. A feeling that something is seriously wrong

When you’re having a heart attack — or even if your heart is in distress before a heart attack — your body goes through several significant changes: Your stress hormones surge, oxygen levels drop, and your brain’s alarm system primes itself. All these physiological responses can lead to a sense of danger or doom.

This symptom alone doesn't mean you're having a heart attack. The same feeling can happen with panic attacks and other episodes of intense anxiety, for example. However, if you have this feeling alongside other symptoms, it’s definitely important to have it checked out rather than waiting to see if it passes.

Do not wait to seek help

Heartburn and heart attacks can sometimes feel remarkably similar, but waiting to see if your symptoms improve can definitely be risky. Call 911 immediately if you think you may be having a heart attack. 

If you have occasional or recurrent chest pain or other symptoms on this list, a medical evaluation is the best way to find out what’s causing those symptoms so they can be treated. 

To schedule your evaluation and take the next step toward better heart health, request an appointment online or over the phone with the team at Advanced Medical Care in Forest Hills, Queens, and Brighton Beach, Brooklyn, New York.

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At Advanced Medical Care, care is not just a part of our name — it is in our hearts. Our providers strive to put our patients first and find solutions to meet their needs on every level. If you’re ready to start improving your health, we encourage you to schedule an appointment at our office in Queens or Brooklyn.