Is This Chest Pain a Heart Attack? What an Emergency Physician Wants You to Know
The case
A man in his fifties sat at his kitchen table one night with what he was certain was bad indigestion. It was a heavy, tight feeling in the center of his chest. So he took an antacid and went to bed, but the feeling did not settle. It crept into his jaw and down his arm, and he kept telling himself it was nothing, partly because he did not want to make a fuss and partly because, if he was honest with himself, he was frightened of what it might mean.
By the time he decided to come to the Emergency Department, several hours had passed. His ECG told a very different story from the one he had been telling himself. It was not indigestion. He was having a myocardial infarction, which most people call a heart attack, and those hours at home had cost him heart muscle we were never going to get back.
That story plays out in my department far more often than you might think, and here is the uncomfortable truth at the center of it. The person least able to tell whether chest pain is a heart attack is the person having it. So this article is not about teaching you to diagnose yourself. It is about the opposite. It is about knowing when to hand the question to someone who can answer it properly, and doing that fast.
Why chest pain sits in a category of its own
Two facts make chest pain different from almost every other symptom we cover on this show.
Time is muscle
During a myocardial infarction, a blocked artery is starving part of your heart muscle, and every minute that passes means more of that muscle dies. In an analysis of patients treated with emergency angioplasty, each additional 30 minutes of delay to treatment was associated with a measurable increase in the risk of dying within the following year, on the order of 7.5%.1 That single finding is why hospitals track door-to-balloon time so obsessively, and why the clock starts the moment you pick up the phone rather than the moment you arrive.
It is also part of why cardiovascular mortality has fallen substantially over the past few decades, even as the population-level burden of LDL-related atherosclerosis has continued to climb.2 We have an aging population, we are successfully pulling people through events that used to kill them, and we have better treatments once they arrive. None of that helps the person who waits at the kitchen table.
A heart attack does not always look like it does on television
The textbook picture is someone clutching their chest and dropping to the floor. But in a large United States registry of more than 400,000 confirmed myocardial infarctions, 33% of patients arrived at hospital with no chest pain at all.3 Those patients were more often older, more often had diabetes or heart failure, and were more often women. Because their symptoms were quieter, they waited longer, they were treated less aggressively, and they were more than twice as likely to die in hospital. Their in-hospital mortality was 21%, compared with 9% among patients who did have chest pain.3
The warning signs we actually want you to look for
Let us start with the classic pattern. The most common symptom is chest discomfort, and notice the word discomfort rather than pain. People describe pressure, tightness, a squeezing sensation, or a heavy weight, as though someone were sitting on the chest. It usually sits in the center or the left side, and it can spread to one or both arms, the jaw, the neck, the back, or the upper stomach.
The associated symptoms matter just as much as the location. Here are the ones that raise my eyebrows at the end of the bed:
• Shortness of breath
• Sweating, particularly a cold or clammy sweat
• Nausea
• Light-headedness
• A deep sense that something is very wrong, which is a symptom I take extremely seriously
Now for the atypical pattern, because this is where lives are lost. In women, in older adults, and in people with diabetes, a myocardial infarction can arrive without dramatic chest pain at all. It can feel like unusual fatigue, breathlessness on light activity, jaw or back discomfort, nausea, or simply not feeling quite right. In that same registry, women were significantly more likely than men to have a myocardial infarction without chest pain, roughly 49% compared with 38%.4 If you have been told that a heart attack always announces itself loudly, please unlearn that today.
Heart attack or panic attack?
This is the question I get more than any other, and it is a fair one, because the two genuinely overlap. A panic attack can bring chest tightness, a racing heart, shortness of breath, sweating, tingling, and an overwhelming sense of doom, which sounds a great deal like the list above.
I have cared for young, healthy people who were convinced they were dying and were having a panic attack. And I have cared for people who insisted it was just anxiety and were having a myocardial infarction. So how do you sort that out at home? The honest answer is that you do not. There is no symptom checklist that reliably separates the two, and certainly not the first time it happens. A panic attack is a diagnosis we make after we have ruled out the dangerous causes. It is not a diagnosis you should be making at 2am, alone, about yourself.
A few features raise the stakes further and should push you straight to calling for help:
• You are over 40
• You have risk factors such as high blood pressure, high cholesterol, diabetes, smoking, or a family history of early heart disease
• The discomfort came on with exertion
• This is simply not a feeling you have had before
When in doubt, you treat it as the heart until a professional tells you otherwise.
The first 10 minutes
So you, or someone near you, has the warning signs. Here is exactly what to do, in order.
1. Stop, and sit or lie down. Stop whatever you are doing, because exertion makes a starving heart work harder.
2. Call 911, triple zero, or your local emergency number straight away. Do not wait to see if it passes, and do not drive yourself. The ambulance is not a taxi. It is the start of your treatment. Paramedics can record your heart tracing on the way, begin care, and radio ahead so the hospital is ready for you. People who arrive by ambulance get treated faster.
3. Do what the dispatcher tells you. They may advise you to chew an aspirin, and there is a very good reason for that.
4. Unlock the front door, if you can, so the paramedics can get straight to you.
On that aspirin point, in a landmark trial of more than 17,000 patients with suspected myocardial infarction, aspirin alone reduced the risk of dying by roughly a quarter.5 And yet a mid-1990s registry of around 1,000 hospitals found that only about 77% of patients with a myocardial infarction actually received it, with the authors estimating that treating every eligible patient would prevent somewhere between 5,000 and 10,000 deaths a year.6 Even so, only take aspirin if emergency services advise it and you are not allergic, because not every cause of chest pain is helped by aspirin. Let the professional on the phone make that call.
A few things worth keeping in your back pocket
• Know your numbers and your family history, because your risk profile changes how seriously any chest symptom should be taken.
• If you are already on heart medication such as nitroglycerin, follow the specific plan your doctor gave you.
• Please do not be embarrassed by a false alarm. We would infinitely rather see you and find nothing than have you stay home and become the story I open my next episode with.
How Should This Modify Your Practice?
For patients and caregivers
• Treat chest discomfort with pressure, sweating, breathlessness, or pain spreading to the arm or jaw as an emergency, and call for help rather than waiting it out.
• Do not use the absence of dramatic pain as reassurance, particularly if you are older, female, or living with diabetes.
• Do not attempt to diagnose a panic attack in the moment. That is a diagnosis of exclusion, and the exclusion part happens in a hospital.
• Rehearse the sequence now: stop, call, do not drive, aspirin only if advised, unlock the door.
• Book the primary care appointment. The best time to deal with a heart attack is years before it happens, in a conversation about blood pressure, cholesterol, blood sugar, and family history.
For clinicians and trainees
• The absence of chest pain is not reassuring. Roughly a third of confirmed myocardial infarctions in the national registry presented without it, and those patients did substantially worse.
• Watch for the anchoring trap in triage. Fatigue, breathlessness, or epigastric discomfort in an older adult with diabetes deserves the same index of suspicion as central crushing chest pain.
• Panic attack is a diagnosis of exclusion, and documenting it as a working diagnosis before an appropriate workup is a recognized source of diagnostic error, particularly in young women.
• Reinforce the prehospital message in discharge conversations. Patients who arrive by private vehicle lose the prehospital ECG and the activation that goes with it.
• Use the false-alarm visit as a teaching moment rather than a reprimand. Patient embarrassment is a real and modifiable cause of delay.
Where this fits in the Two-Tier Blueprint
Everything above is emergency response, and emergency response is what happens when prevention has already run out of road. So here is the Tier 1 version of this episode. Having a primary care physician who knows your blood pressure, your cholesterol, your blood sugar, and your family history is the single intervention most likely to keep you out of my department in the first place. A doctor who knows your risk is worth more than any symptom list I can hand you.
Alongside that, the Tier 1 habits do the quiet work: a plant-rich Mediterranean-style pattern of eating, 30 to 60 minutes of movement on most days of the week, and genuine attention to sleep and stress. None of it is glamorous, and all of it compounds.
Author
Adrian Cois, MD, is an Emergency Medicine physician and Assistant Professor. He is the host of Overheard in the Emergency Room and the founder of Mindful Mates Health. He writes about evidence-based medicine for everyday people at DrCois.com.
Disclosure: The author has no financial relationship with any product, company, or service mentioned in this article. No affiliate links are used anywhere on DrCois.com.
Educational purposes only. This article does not provide medical advice and does not establish a physician-patient relationship. If you think you may be having an emergency, call your local emergency number immediately. Always consult a qualified clinician for personal health questions.
Related reading
• Season 2, Episode 1: The “ER or Wait?” framework, which is the pillar episode this one sits under
• Season 2, Episode 5: How to spot a stroke, where the same every-minute-counts rule applies
• Episode 11: Your primary care physician is your original longevity partner
• Quick Hits Episode 6: How to read a paper like a scientist
References
1. De Luca G, Suryapranata H, Ottervanger JP, Antman EM. Time delay to treatment and mortality in primary angioplasty for acute myocardial infarction. Circulation. 2004;109(10):1223-1225. doi:10.1161/01.CIR.0000121424.76486.20
2. Global burden and causal analysis of LDL-C-related cardiovascular diseases: a GBD 2021 and Mendelian randomization study. Nutr Metab Cardiovasc Dis. 2026. Accessed August 9, 2026. https://www.nmcd-journal.com/article/S0939-4753(26)00084-0/fulltext
3. Canto JG, Shlipak MG, Rogers WJ, et al. Prevalence, clinical characteristics, and mortality among patients with myocardial infarction presenting without chest pain. JAMA. 2000;283(24):3223-3229. doi:10.1001/jama.283.24.3223
4. Canto JG, Rogers WJ, Goldberg RJ, et al. Association of age and sex with myocardial infarction symptom presentation and in-hospital mortality. JAMA. 2012;307(8):813-822. doi:10.1001/jama.2012.199
5. ISIS-2 (Second International Study of Infarct Survival) Collaborative Group. Randomised trial of intravenous streptokinase, oral aspirin, both, or neither among 17,187 cases of suspected acute myocardial infarction: ISIS-2. Lancet. 1988;332(8607):349-360. doi:10.1016/S0140-6736(88)92833-4
6. Hennekens CH, Dyken ML, Fuster V. Aspirin as a therapeutic agent in cardiovascular disease. Circulation. 1997;96(8):2751-2753. doi:10.1161/01.CIR.96.8.2751
