What is the difference between a heart attack and a panic attack?
Panic attacks and heart attacks share symptoms, so symptoms alone cannot tell them apart; when chest symptoms are new or unusual, treat them as an emergency.
Covers: The typical symptoms, timing, triggers and risk factors that distinguish a heart attack from a panic attack, plus guidance on when to seek emergency care. Does not provide personal diagnosis or replace medical advice.
Also answers: How can I tell if it's a panic attack or a heart attack? · Panic attack vs heart attack symptoms · Difference between anxiety attack and heart attack · Can a panic attack feel like a heart attack?
The short answer
Interpretation AI-prepared starting mapPanic attacks and heart attacks can share chest pain, shortness of breath, palpitations, dizziness and a sense of doom, so symptoms alone cannot reliably separate them. Panic attacks are defined as an abrupt surge of intense fear or discomfort that peaks within minutes, usually worst within about ten minutes and lasting roughly 30 minutes (range from… 12
In brief
Panic attacks and heart attacks share chest pain, breathlessness, palpitations, dizziness and a sense of doom, so symptoms alone cannot reliably tell them apart.1
InterpretationPanic attacks peak within minutes (usually worst within about ten minutes) and typically last around 30 minutes; they are distressing but not themselves physically dangerous.1
Evidence-backedIn one emergency-department study, 39% of patients with heart or lung complaints met criteria for panic-related anxiety, and a three-or-more-symptom model identified it with 78.4% sensitivity and 85.7% specificity.2
Evidence-backedPanic attacks often cluster in situations that feel inescapable (transport, crowds, being out alone), and avoidance of those situations is a hallmark of agoraphobia.3
Evidence-backed
At a glance
The picture in numbers
Live · updated just now
39%
39 in every 100
321 patients
- sensitivity78.4%
- specificity85.7%
- reported at least one panic attack63.7%
- diagnosed with panic disorder15.5%
The evidence behind it
6 sources- Other studies and data4
- Background2
Published in 2025 and 2026
| Source | Kind | Year |
|---|---|---|
| Derivation of an updated brief multivariable prediction model to detect panic-related anxiety in emergency department patients with cardiopulmonary complaints. | Other studies and data | 2026 |
| Panic attack (Wikipedia) | Background | Unknown |
| Prevalence and predictors of panic attacks among reproductive-age females among the attendees of primary health centers of Abha, Saudi Arabia. | Other studies and data | 2025 |
| Ventricular fibrillation due to coronary vasospasm triggered by hyperventilation in a patient with panic disorder: case report. | Other studies and data | 2025 |
| A case report of a multivessel coronary vasospasm that responded to IV diazepam. | Other studies and data | 2025 |
| Agoraphobia (Wikipedia) | Background | Unknown |
The community around it
No one has added to this page yet. Firsthand experience, a newer study or a different reading of the numbers would show up here, credited to you.
The full explanation
Interpretation AI-prepared starting mapPanic attacks and heart attacks can share chest pain, shortness of breath, palpitations, dizziness and a sense of doom, so symptoms alone cannot reliably separate them. Panic attacks are defined as an abrupt surge of intense fear or discomfort that peaks within minutes, usually worst within about ten minutes and lasting roughly 30 minutes (range from seconds to hours), and are not themselves physically dangerous. A heart attack is a medical emergency, and the sources here do not give a symptom checklist that distinguishes it. In one emergency-department study of 321 patients with heart or lung complaints, 39% met criteria for panic-related anxiety, and a model counting panic symptoms (cutoff of 3 or more) identified it with 78.4% sensitivity and 85.7% specificity (AUC 0.88) — useful for screening, not for ruling out a heart attack. When in doubt, treat chest symptoms as an emergency.12
- Evidence 15
- Interpretation 4
What it means for you
Which fits you?
Pick the situation closest to yours. Each answer says what it rests on.
If you have new, severe or unusual chest pain, breathlessness or palpitations, even if you have had panic attacks before
treat it as a possible emergency and get urgent medical assessment rather than assuming it is panic; the two share core symptoms and no home test reliably separates them.14
InterpretationIf your episodes peak within about ten minutes and settle within roughly half an hour, follow situations like crowds or public transport, and match your known panic pattern
this timing and trigger pattern is consistent with panic attacks, but it does not rule out a cardiac cause for symptoms that are new or different — seek assessment if unsure.13
Evidence-backedIf you have panic disorder and your chest symptoms change in character, intensity or duration
ask a clinician to consider causes beyond panic, including coronary spasm, which has been reported in people with panic disorder during hyperventilation.45
Evidence-backedIf you are avoiding places or situations because you fear a panic attack there
this avoidance pattern is characteristic of agoraphobia and is worth raising with a clinician, since untreated agoraphobia rarely resolves on its own.3
Evidence-backedIf you are in an emergency department with heart or lung complaints and the cause is unclear
clinicians have a symptom-count screening model (three or more panic symptoms) that identified panic-related anxiety with good accuracy in one study, which may support timely diagnosis — but it does not replace cardiac testing.2
Evidence-backedThe full story · 4 chapters
What is the difference between a heart attack and a panic attack, and how can someone tell which one they are experiencing?
Chapter 1: Why the two are easy to confuse
AI summary:Panic attacks and cardiac events share chest pain, breathlessness, palpitations, dizziness and a sense of doom, so symptoms alone cannot separate them.
Evidence-backed: Panic attacks are sudden periods of intense fear and discomfort that can include palpitations (a rapid, irregular heartbeat), sweating, chest pain or discomfort, shortness of breath, trembling, dizziness, numbness, confusion, or a sense of impending doom or loss of control. The DSM-5 defines a panic attack as an abrupt surge of intense fear or discomfort that peaks within minutes and includes four or more such symptoms. Several of these — chest pain, breathlessness, palpitations, dizziness, a feeling of doom — are also what people describe during cardiac events, which is why the two are so often confused.1
Evidence-backed: In an emergency department, the overlap is common: among 321 patients presenting with heart or lung complaints, 39% met criteria for panic-related anxiety. A prediction model built from 13 panic symptoms, using a cutoff of three or more symptoms, reached an area under the curve of 0.88, sensitivity 78.4%, specificity 85.7%, and classified 82.9% of patients correctly (positive likelihood ratio 5.49, negative 0.25). That is strong for a screening tool, but a screening tool is not a way to decide at home that chest pain is 'just panic'.2
This part rests on
1. Panic attack (Wikipedia)
Panic attacks are sudden periods of intense fear and discomfort that may include palpitations, otherwise defined as a rapid, irregular heartbeat, sweating, chest pain or discomfort, shortness of breath, trembling, dizziness, numbness, confusion, or a sense of impending doom or loss of control. Typically, these symptoms are the worst within ten minutes of onset and can last for roughly 30 minutes, though they can vary anywhere from seconds to hours. While they can be extremely distressing, panic attacks themselves are not physically dangerous. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) defines them as "an abrupt surge of intense fear or intense discomfort that reaches a peak within minutes and during which time four or more of the following symptoms occur." These symptoms include, but are not limited to, the ones mentioned above. Panic attacks function as a marker for assessing severity, course, and comorbidity (the simultaneous presence of two or more diagnoses) of different disorders, including anxiety disorders. Hence, while panic attacks cannot be applied to all disorders found in the DSM, they are a common comorbidity.Read original source
2. Derivation of an updated brief multivariable prediction model to detect panic-related anxiety in emergency department patients with cardiopulmonary complaints.
A stepwise multivariable prediction model was constructed using 13 SCID-defined panic symptoms as predictors, with the diagnosis of panic-related anxiety as the outcome. Diagnostic accuracy was evaluated through sensitivity, specificity, receiver operating characteristics (ROC), and the Youden index.Results321 eligible patients were included, with 39% meeting criteria for panic-related anxiety. The optimal cutoff (≥3 symptoms) in the derived model achieved an area under the curve (AUC) of 0.88, sensitivity of 78.4%, specificity of 85.7%, a Youden index of 64.1%, classified 82.9% correctly, positive likelihood ratio=5.4880, and negative likelihood ratio=0.2520.ConclusionsThis newly derived model demonstrated strong diagnostic accuracy in identifying panic-related anxiety among ED patients with cardiopulmonary complaints, suggesting its potential utility in clinical screening. Implementation of this model may facilitate timely diagnosis, reduce repeated ED visits, and improve patient outcomes.Read original source
2 independent sources
Drawn from this chapter's text
Chapter 2: Timing, triggers and who is affected
AI summary:Panic symptoms usually peak within about ten minutes and last around 30 minutes, often in situations that feel inescapable, and are distressing but not physically dangerous.
Evidence-backed: Timing is one clue. Panic symptoms are typically worst within ten minutes of onset and can last roughly 30 minutes, though they vary from seconds to hours. Panic attacks are extremely distressing but are not themselves physically dangerous.1
Evidence-backed: Panic attacks often occur in specific situations for people with agoraphobia — public transport, shopping centres, crowds and queues, or simply being outside home alone — where the environment feels unsafe with no way to escape. People affected may go to great lengths to avoid these situations, and in severe cases may become unable to leave home. Panic attacks can also occur as part of other anxiety disorders and other conditions.31
Evidence-backed: In one survey of reproductive-age women attending primary health centres in Abha, Saudi Arabia, 63.7% reported at least one panic attack and 15.5% had been diagnosed with panic disorder, mostly beginning between ages 18 and 25. Reported symptoms included rapid heartbeat, shortness of breath, dizziness, nausea and chest pain. Panic attacks were associated with marital status, number of children, smoking and family history, and were linked to low coping skills and high perceived stress. These figures come from one regional survey and should not be read as a general population rate.6
This part rests on
3. Agoraphobia (Wikipedia)
Agoraphobia is an anxiety disorder characterized by symptoms of anxiety in situations where people perceive their environment to be unsafe with no way to escape. These situations can include public transit, shopping centers, crowds and queues, or simply being outside their home on their own. Being in these situations may result in a panic attack. Those affected will go to great lengths to avoid these situations. In severe cases, people may become completely unable to leave their homes. Agoraphobia is believed to be due to a combination of genetic and environmental factors. The condition often runs in families, and stressful or traumatic events such as the death of a parent or being attacked may be a trigger. In the DSM-5, agoraphobia is classified as a phobia along with specific phobias and social phobia. Other conditions that can produce similar symptoms include separation anxiety, post-traumatic stress disorder, and major depressive disorder. The diagnosis of agoraphobia has been shown to be comorbid with depression, substance abuse, and suicidal ideation. Without treatment, it is uncommon for agoraphobia to resolve.Read original source
6. Prevalence and predictors of panic attacks among reproductive-age females among the attendees of primary health centers of Abha, Saudi Arabia.
Participants included those who met the inclusion criteria of reproductive age and consented to participate. Data was collected using a validated electronic questionnaire of socio-demographics, obstetric history, panic attack experiences, and triggers. Statistical analyses, including chi-square and regression, were applied.ResultsAmong participants, 15.5% were diagnosed with panic disorder, and 63.7% experienced at least one panic attack, predominantly between 18 and 25 years. Symptoms included tachycardia, shortness of breath, dizziness, nausea, and chest pain. Significant associations were found between panic attacks and marital status, number of children, smoking, and family history.ConclusionNearly two-thirds of reproductive-aged women, particularly divorced women with a family history of panic attacks, experienced these episodes early in life. These attacks were linked to low coping skills and high-stress perception, impacting daily life and emotional resilience.Read original source
1. Panic attack (Wikipedia)
Panic attacks are sudden periods of intense fear and discomfort that may include palpitations, otherwise defined as a rapid, irregular heartbeat, sweating, chest pain or discomfort, shortness of breath, trembling, dizziness, numbness, confusion, or a sense of impending doom or loss of control. Typically, these symptoms are the worst within ten minutes of onset and can last for roughly 30 minutes, though they can vary anywhere from seconds to hours. While they can be extremely distressing, panic attacks themselves are not physically dangerous. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) defines them as "an abrupt surge of intense fear or intense discomfort that reaches a peak within minutes and during which time four or more of the following symptoms occur." These symptoms include, but are not limited to, the ones mentioned above. Panic attacks function as a marker for assessing severity, course, and comorbidity (the simultaneous presence of two or more diagnoses) of different disorders, including anxiety disorders. Hence, while panic attacks cannot be applied to all disorders found in the DSM, they are a common comorbidity.Read original source
3 independent sources
- OnsetAbrupt surge of intense fear or discomfort
- PeakUsually worst within about ten minutes
- CourseCan last roughly 30 minutes, from seconds to hours
- AfterDistressing but not itself physically dangerous
Drawn from this chapter's text
Chapter 3: When panic and heart problems overlap
AI summary:Rare case reports link panic attacks and hyperventilation to coronary spasm and dangerous heart rhythms, so a panic history does not make new chest symptoms safe to ignore.
Evidence-backed: Rarely, the two are not mutually exclusive. In one case report, a person with panic disorder developed ventricular fibrillation (a dangerous heart rhythm) that was attributed to coronary artery spasm triggered by hyperventilation during a panic attack; the spasm was confirmed on provocation testing and the patient eventually received a subcutaneous defibrillator. The authors argue that clinicians assessing chest pain in people with panic disorder should consider hyperventilation-induced coronary spasm as a differential diagnosis.4
Evidence-backed: A second case report describes multivessel coronary spasm during a panic attack that resolved after intravenous diazepam, with normal coronary arteries on repeat angiography. The authors note the single-case design and cannot establish that anxiety caused the spasm. Together these cases suggest that a history of panic disorder does not make new or unusual chest symptoms safe to dismiss.5
Chapter 4: What to do when you can't tell
AI summary:There is no home test that separates the two, so new, severe or unusual chest symptoms should get emergency assessment rather than being assumed to be panic.
Interpretation: The sources do not provide a home test that separates the two. Given that panic attacks are not physically dangerous but heart attacks are emergencies, and that the two share core symptoms, the safe default when chest pain, breathlessness or palpitations are new, severe, or different from your usual panic pattern is to seek emergency assessment rather than assume panic. The emergency-department screening model described above was designed to help clinicians identify panic-related anxiety among patients who already presented for care — it supports timely diagnosis and may reduce repeated visits, but it is not a substitute for cardiac evaluation.21
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- ResearcherLooks for evidenceFrom this page
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Panic attacks peak within minutes (usually worst within about ten minutes) and typically last around minutes; they are distressing but not themselves physically dangerous.
In one emergency-department study, of patients with heart or lung complaints met criteria for panic-related anxiety, and a three-or-more-symptom model identified it with 78.4% sensitivity and 85.7% specificity.
Panic attacks and heart attacks share chest pain, breathlessness, palpitations, dizziness and a sense of doom, so symptoms alone cannot reliably tell them apart.
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- 1Panic attack (Wikipedia)WikipediaPublished Oct 15, 2026Checked Oct 17, 2026
“Panic attacks are sudden periods of intense fear and discomfort that may include palpitations, otherwise defined as a rapid, irregular heartbeat, sweating, chest pain or discomfort, shortness of breath, trembling, dizziness, numbness, confusion, or a sense of impending doom or loss of control. Typically, these symptoms are the worst within ten minutes of onset and can last for roughly 30 minutes, though they can vary anywhere from seconds to hours. While they can be extremely distressing, panic attacks themselves are not physically dangerous. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) defines them as "an abrupt surge of intense fear or intense discomfort that reaches a peak within minutes and during which time four or more of the following symptoms occur." These symptoms include, but are not limited to, the ones mentioned above. Panic attacks function as a marker for assessing severity, course, and comorbidity (the simultaneous presence of two or more diagnoses) of different disorders, including anxiety disorders. Hence, while panic attacks cannot be applied to all disorders found in the DSM, they are a common comorbidity.”
- 2Derivation of an updated brief multivariable prediction model to detect panic-related anxiety in emergency department patients with cardiopulmonary complaints.Frontiers in psychiatry (Sung et al.)Published Feb 11, 2026Checked Oct 17, 2026
“A stepwise multivariable prediction model was constructed using 13 SCID-defined panic symptoms as predictors, with the diagnosis of panic-related anxiety as the outcome. Diagnostic accuracy was evaluated through sensitivity, specificity, receiver operating characteristics (ROC), and the Youden index.Results321 eligible patients were included, with 39% meeting criteria for panic-related anxiety. The optimal cutoff (≥3 symptoms) in the derived model achieved an area under the curve (AUC) of 0.88, sensitivity of 78.4%, specificity of 85.7%, a Youden index of 64.1%, classified 82.9% correctly, positive likelihood ratio=5.4880, and negative likelihood ratio=0.2520.ConclusionsThis newly derived model demonstrated strong diagnostic accuracy in identifying panic-related anxiety among ED patients with cardiopulmonary complaints, suggesting its potential utility in clinical screening. Implementation of this model may facilitate timely diagnosis, reduce repeated ED visits, and improve patient outcomes.”
- 3Agoraphobia (Wikipedia)WikipediaPublished Oct 17, 2026Checked Oct 17, 2026
“Agoraphobia is an anxiety disorder characterized by symptoms of anxiety in situations where people perceive their environment to be unsafe with no way to escape. These situations can include public transit, shopping centers, crowds and queues, or simply being outside their home on their own. Being in these situations may result in a panic attack. Those affected will go to great lengths to avoid these situations. In severe cases, people may become completely unable to leave their homes. Agoraphobia is believed to be due to a combination of genetic and environmental factors. The condition often runs in families, and stressful or traumatic events such as the death of a parent or being attacked may be a trigger. In the DSM-5, agoraphobia is classified as a phobia along with specific phobias and social phobia. Other conditions that can produce similar symptoms include separation anxiety, post-traumatic stress disorder, and major depressive disorder. The diagnosis of agoraphobia has been shown to be comorbid with depression, substance abuse, and suicidal ideation. Without treatment, it is uncommon for agoraphobia to resolve.”
- 4Ventricular fibrillation due to coronary vasospasm triggered by hyperventilation in a patient with panic disorder: case report.European heart journal. Case reports (Takimoto et al.)Published Aug 18, 2025Checked Oct 17, 2026
“Suspecting hyperventilation-induced coronary vasospasm, a hyperventilation test was performed, which induced 90% coronary spasm accompanied by chest pain. An acetylcholine (ACh) provocation test revealed total occlusion of the left main bifurcation, with significant ischaemic ST-T elevation. Medication with a calcium channel blocker (nifedipine 40 mg per day), nitrate (isosorbide dinitrate 40 mg per day), and statin (rosuvastatin 20 mg per day) was initiated. Three months later, a repeat ACh provocation test performed to assess response to the medications revealed 90% stenosis with ischaemic ST-T changes and chest discomfort. Subsequently, a subcutaneous cardioverter defibrillator was implanted to address refractory vasospastic angina.DiscussionHerein, ventricular fibrillation was likely caused by coronary spasm induced by hyperventilation during the panic attack. Regarding the management of patients with panic disorder who present with chest pain, clinicians should carefully assess the symptoms and consider hyperventilation-induced coronary spasm as a differential diagnosis.”
- 5A case report of a multivessel coronary vasospasm that responded to IV diazepam.Medicine (Abboud et al.)Published Sep 1, 2025Checked Oct 17, 2026
“During a panic attack in the procedure, 5 mg IV diazepam was administered.OutcomesTreatment lead to symptom resolution and normal coronary arteries on repeat angiography, without plaques or stenosis.LessonsThis case demonstrates multivessel CAVS refractory to standard vasodilators but responsive to IV diazepam, as evidenced by angiographic resolution. The temporal association with a panic attack suggests a link to psychological stress, aligning with literature on stress-related cardiovascular events. Limitations include the single-case design, lack of provocation testing, and inability to definitively establish causality between anxiety and vasospasm, necessitating larger studies to confirm IV diazepam's efficacy. Multivessel CAVS may respond to IV diazepam when standard treatments fail, particularly in cases associated with psychological stress. This case underscores the need for further research to validate the therapeutic potential of IV benzodiazepines in managing CAVS and to explore the interplay between psychological stress and cardiovascular events.”
- 6Prevalence and predictors of panic attacks among reproductive-age females among the attendees of primary health centers of Abha, Saudi Arabia.Journal of education and health promotion (Al et al.)Published Jul 4, 2025Checked Oct 17, 2026
“Participants included those who met the inclusion criteria of reproductive age and consented to participate. Data was collected using a validated electronic questionnaire of socio-demographics, obstetric history, panic attack experiences, and triggers. Statistical analyses, including chi-square and regression, were applied.ResultsAmong participants, 15.5% were diagnosed with panic disorder, and 63.7% experienced at least one panic attack, predominantly between 18 and 25 years. Symptoms included tachycardia, shortness of breath, dizziness, nausea, and chest pain. Significant associations were found between panic attacks and marital status, number of children, smoking, and family history.ConclusionNearly two-thirds of reproductive-aged women, particularly divorced women with a family history of panic attacks, experienced these episodes early in life. These attacks were linked to low coping skills and high-stress perception, impacting daily life and emotional resilience.”
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How often are panic-like symptoms in an emergency department actually a cardiac event, and how often is a heart attack mistaken for panic?
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How common is hyperventilation-induced coronary spasm in people with panic disorder, and who should be screened for it?
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Can any symptom pattern or timing rule be validated well enough to help people decide at home when chest symptoms are safe to watch?
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