Panic Attack vs Arrhythmia: Palpitations, Dizziness, and Medical Evaluation
Updated: Oct 8
Author: Ukrainian Psychological Hub · Published: September 30, 2026 · Editorial Policy
A panic attack and a cardiac arrhythmia can both produce a suddenly pounding or racing heart, dizziness, chest discomfort, shortness of breath, sweating, weakness, and a frightening sense that something is wrong. The overlap is clinically important because symptoms alone cannot reliably establish which process is occurring. The National Institute of Mental Health lists rapid heart rate, chest pain, breathing difficulty, weakness or dizziness among common panic-attack symptoms, while the National Heart, Lung, and Blood Institute lists palpitations, chest discomfort, breathing difficulty, dizziness, and fainting among possible arrhythmia symptoms.
The safest answer to “panic attack or arrhythmia?” is therefore not a symptom checklist. It is a clinical process: characterize the episode, look for red flags and cardiac risk, examine the person, obtain an electrocardiogram when appropriate, and use longer rhythm monitoring when intermittent symptoms need to be correlated with the actual heart rhythm. A familiar history of panic can be relevant, but it does not make a new palpitation, fainting episode, or exertional event automatically psychiatric.
This page owns a narrow medical-comparison intent within the Panic branch of the English Psychology Hub: panic attack versus arrhythmia, with special attention to palpitations, dizziness, rhythm documentation, and medical evaluation. It does not replace the broader diagnostic territory of panic disorder, and it does not try to diagnose an arrhythmia from online symptoms. For the branch authority page, see
Panic Disorder: Symptoms, Causes, Diagnosis, and Treatment. For the wider medical differential of anxiety-like physical symptoms, see Anxiety Symptoms and Medical Differential Diagnosis.
Quick Answer: Can You Tell a Panic Attack From an Arrhythmia by Symptoms Alone?
Often, no. Panic attacks and arrhythmias overlap substantially in subjective symptoms. A panic attack can cause marked autonomic arousal and sinus tachycardia; an arrhythmia can cause palpitations, dizziness, breathlessness, chest discomfort, weakness, and fear. The emotional experience of fear does not prove panic, because a sudden abnormal rhythm can itself be frightening. Likewise, a rapid heartbeat does not prove an arrhythmia, because the normal sinus node can accelerate during panic, exercise, fever, dehydration, pain, stimulant exposure, or other physiologic states.
Cardiac rhythm is an electrical phenomenon, so the decisive evidence for many suspected arrhythmias is rhythm documentation. The NHLBI arrhythmia diagnostic overview identifies the ECG as the most common diagnostic test and notes that longer-term monitors may be used when palpitations or fainting do not occur often enough to be captured in the office.
If palpitations occur with fainting or near-fainting, severe or persistent chest pain, severe shortness of breath, new neurologic symptoms, marked weakness, or another sign of medical instability, urgent evaluation takes priority over trying to decide whether the episode “feels like anxiety.”
What Is a Panic Attack?
A panic attack is an abrupt surge of intense fear or discomfort accompanied by a cluster of physical and cognitive symptoms. Common bodily symptoms include a pounding or racing heart, sweating, trembling, breathing difficulty, chest discomfort, nausea, dizziness, weakness, chills or heat sensations, numbness or tingling. Cognitive symptoms can include fear of losing control, dying, or “going crazy,” as well as derealization or depersonalization. The NIMH panic disorder guide emphasizes that panic attacks can occur even when there is no clear danger or obvious trigger.
A panic attack is an episode, not a diagnosis by itself. People can have an isolated panic attack, panic attacks in the context of panic disorder, panic attacks associated with other mental disorders, panic-like symptoms caused or amplified by substances or medications, and acute fear during medical events. Recurrent unexpected panic attacks plus persistent concern or maladaptive behavior change can support a diagnosis of panic disorder after appropriate assessment, but one dramatic episode of palpitations does not establish that diagnosis.
The distinction between episode and disorder is explained in the English Hub's panic disorder authority page.
What Is an Arrhythmia?
An arrhythmia is a problem with the rate or rhythm of the heartbeat. The heart may beat too fast, too slowly, or irregularly. Some arrhythmias produce no symptoms. Others cause sensations of skipping, fluttering, pounding, racing, pauses, or an irregular pulse. According to the NHLBI, dizziness, fainting, chest discomfort, difficulty breathing, weakness, and even anxiety can accompany an arrhythmia.
“Arrhythmia” is a broad category rather than one single disease. Premature atrial or ventricular beats, supraventricular tachycardias, atrial fibrillation or flutter, bradyarrhythmias, conduction disorders, and ventricular tachyarrhythmias differ in mechanism, risk, typical rhythm pattern, and management. Some are benign in many contexts; others require prompt or urgent treatment. A comparison with panic therefore cannot reduce all arrhythmias to one stereotyped pulse pattern.
The American Heart Association similarly notes that arrhythmias can range from isolated premature beats felt as skipped or forceful beats to more sustained rhythms associated with dizziness, near-fainting, or fainting.
Why the Symptoms Overlap
Both panic and rhythm disturbances can strongly affect interoceptive signals: heartbeat, breathing, balance, chest sensations, temperature, and the sense of bodily control. During panic, sympathetic activation and changes in breathing can accelerate the sinus rate, increase contractility, alter vascular tone, and make normal or benign beats feel unusually forceful. Hyperventilation can contribute to lightheadedness, tingling, and feelings of unreality. Attention to the heart can then magnify the salience of each beat.
During an arrhythmia, the sequence is different: the electrical rhythm itself is abnormal or inappropriate, and the resulting change in rate, regularity, filling, or cardiac output can produce palpitations, weakness, dizziness, breathlessness, chest discomfort, or presyncope. Those sensations can trigger a secondary fear response. The person may become terrified because the body suddenly feels unstable, even when fear was not the initiating event.
This creates a diagnostic trap. Fear can follow an arrhythmia, and palpitations can follow panic. A clinician therefore asks not only “Were you anxious?” but also what happened first, how abruptly the episode started and stopped, whether the pulse felt regular or irregular, what the person was doing, whether symptoms occurred during exertion, whether there was syncope, what medications or substances were involved, and whether rhythm documentation exists.
Palpitations: What the Sensation Can and Cannot Tell You
Palpitations are the awareness of the heartbeat. People may describe racing, pounding, fluttering, skipping, thumping, pauses, or a heartbeat felt in the chest or neck. The language is subjective: two people with the same rhythm can describe it differently, and one person can use the same word for sinus tachycardia during panic and for a paroxysmal tachyarrhythmia.
A 2024 clinical review of palpitations stresses the importance of characterizing rate and rhythm, onset and duration, triggers and circumstances, associated symptoms, cardiac history, medications, substances, systemic illness, and family history. It also emphasizes ECG assessment and targeted further testing rather than assigning a psychological cause by exclusion from a short symptom list. See Chua et al. (2024).
A regular, gradually accelerating heartbeat during obvious fear may be consistent with sinus tachycardia, but that pattern is not diagnostic of panic. A very abrupt racing rhythm can occur in supraventricular tachycardia, but panic can also feel abrupt. An irregularly irregular pulse may raise suspicion for atrial fibrillation, yet a person may not accurately perceive regularity during distress. Frequent premature beats can feel like “skips” or jolts and can themselves provoke anxiety.
The useful clinical question is not whether the palpitation has a psychologically reassuring description. It is whether the rhythm can be captured and correlated with symptoms when the history or risk profile makes that necessary.
Dizziness and Lightheadedness
Dizziness is similarly nonspecific. Panic can produce lightheadedness through hyperventilation, autonomic arousal, altered attention, and a subjective sense of instability. Arrhythmias can produce dizziness when an abnormal rate or rhythm reduces effective cardiac output. Orthostatic hypotension, dehydration, anemia, hypoglycemia, medication effects, vestibular disorders, respiratory problems, neurologic conditions, and other causes can also produce dizziness.
The presence of true syncope—transient loss of consciousness—changes the level of concern. Palpitations associated with syncope or near-syncope, especially during exertion or in a person with structural heart disease, an abnormal ECG, or a family history of sudden cardiac death, warrant medical evaluation. Fainting should not be reclassified as “just panic” because intense fear was present.
Conversely, dizziness without syncope does not prove a benign process. Severity, recurrence, context, blood pressure, rhythm, neurologic symptoms, medications, hydration, and other medical features matter.
Chest Discomfort and Shortness of Breath
Chest discomfort and shortness of breath occur in panic attacks, but they also occur in arrhythmias, myocardial ischemia, pulmonary disease, pulmonary embolism, asthma, infection, anemia, and many other conditions. This article is about arrhythmia, not the full chest-pain differential. New, severe, persistent, exertional, or otherwise concerning chest pain requires appropriate medical evaluation rather than online symptom matching.
The NHLBI advises emergency medical care when arrhythmia symptoms are very serious, including difficulty breathing or chest pain. The threshold for urgent care depends on the whole presentation, not on whether someone also has a history of anxiety.
For the broader boundary between anxiety-like physical symptoms and medical conditions, use Anxiety Symptoms and Medical Differential Diagnosis rather than treating panic as the default explanation.
Patterns That May Provide Clues but Do Not Diagnose the Cause
Abrupt Versus Gradual Onset
Some reentrant supraventricular tachycardias begin and end abruptly, almost like a switch. Sinus tachycardia caused by exercise, fever, dehydration, pain, or emotional arousal often accelerates and decelerates more gradually. Panic attacks themselves can also begin abruptly, so sudden onset is a clue that shapes the history rather than a standalone diagnostic test.
Regular Versus Irregular Sensation
A very regular rapid rhythm can occur in some supraventricular tachycardias, while atrial fibrillation is typically irregular. Premature beats may feel like skips or extra thumps. Panic-related sinus tachycardia is usually regular. Yet subjective pulse descriptions are imperfect, especially during an intense episode. Rhythm strips and ECG monitoring are more reliable than retrospective adjectives.
Exertion
Palpitations or syncope during exertion deserve particular medical attention because exertion can reveal cardiac conditions that are not apparent at rest. Panic can occur during exercise too, especially when a person fears normal bodily arousal, but an exertional pattern should not be assumed to be panic without appropriate assessment.
Duration
Duration overlaps. Panic attacks often peak quickly and then subside, but the total experience and residual anxiety can last longer. Arrhythmias can last seconds, minutes, hours, or persist, depending on the rhythm. A short episode is not automatically panic, and a long episode is not automatically arrhythmia.
Improvement With Calming
Feeling better after sitting down, slowing breathing, leaving a stressful situation, or receiving reassurance can occur during panic. Symptoms from some arrhythmias may also terminate spontaneously around the same time. Improvement after calming therefore supports a contextual interpretation but does not prove causation.
Arrhythmias That Can Resemble Panic
Paroxysmal Supraventricular Tachycardia
Paroxysmal supraventricular tachycardia, or PSVT, is especially important in this differential because it can produce sudden rapid palpitations, chest discomfort, shortness of breath, dizziness, and intense fear. The rhythm may terminate before a clinic or emergency ECG is obtained.
A classic retrospective study by Lessmeier and colleagues examined 107 patients with reentrant PSVT and found extensive symptom overlap with panic-disorder criteria. PSVT had gone unrecognized after initial medical evaluation in a substantial proportion of that selected electrophysiology population, and symptoms were sometimes attributed to panic, anxiety, or stress before the arrhythmia was documented. The study is old, retrospective, and drawn from a referred cardiac population, so its percentages should not be generalized to everyone with panic symptoms. Its durable clinical lesson is narrower: intermittent tachyarrhythmia can mimic panic, and failure to capture the rhythm can delay recognition.
Atrial Fibrillation and Atrial Flutter
Atrial fibrillation can cause palpitations, fatigue, breathlessness, dizziness, or chest discomfort and can also be asymptomatic. It is clinically distinct from panic because diagnosis requires ECG evidence of the arrhythmia, and management may include stroke-risk assessment, rate or rhythm control, and treatment of comorbid cardiovascular conditions.
The 2024 European Society of Cardiology atrial fibrillation guideline requires ECG confirmation for clinical AF and describes 12-lead ECG, history, symptom assessment, blood testing, and selected ambulatory monitoring and cardiac imaging as parts of evaluation. Atrial fibrillation should not be inferred merely from the feeling of an “irregular heartbeat.”
Premature Beats
Premature atrial or ventricular contractions can feel like a skipped beat, pause, flip, jolt, or forceful thump. Occasional premature beats are common and may be benign in many people, but frequency, symptoms, structural heart disease, ECG findings, and other context determine significance. Anxiety can increase awareness of premature beats, while stimulants, sleep loss, alcohol, medications, and other factors may influence them.
Bradyarrhythmias and Ventricular Arrhythmias
Slow rhythms and ventricular arrhythmias are different clinical problems from panic. They may present with weakness, dizziness, syncope, chest discomfort, palpitations, or collapse. When symptoms suggest hemodynamic instability or a potentially dangerous rhythm, emergency evaluation is required. The presence of fear during such an event is expected and does not change the medical priority.
Can a Panic Attack Cause an Arrhythmia?
A panic attack commonly increases heart rate through normal sinus-node activation and sympathetic arousal. That rapid rate is not the same thing as proving a pathologic arrhythmia. Panic can also make a person more aware of ordinary beat-to-beat variation or isolated ectopic beats.
Research on longer-term associations between panic disorder and cardiac disease is more complicated. A systematic review by Caldirola et al. found stronger evidence for an association between panic disorder and coronary disease than for arrhythmias; evidence specifically linking panic with arrhythmias and cardiomyopathies was preliminary and limited by the small number and design of available studies. That literature does not justify telling an individual that panic caused a specific arrhythmia.
The clinically useful distinction is between a physiologic increase in sinus rate during fear and an electrical rhythm disorder documented on ECG. They can coexist, and one can amplify awareness of the other.
Can an Arrhythmia Trigger Panic or Fear?
Yes. A sudden tachyarrhythmia can create a powerful bodily alarm: racing heart, chest sensations, breathlessness, dizziness, weakness, and a sense of loss of control. Fear can arise as a reaction to those sensations even when the episode began with an electrical rhythm disturbance. This is one reason “I felt terrified” cannot distinguish the two conditions.
A person can also develop conditioned fear after repeated arrhythmia episodes. They may become hypervigilant to heartbeat changes, avoid exercise or places where an episode occurred, or fear being alone. Those psychological consequences can persist even after the rhythm problem is treated. Conversely, someone with panic disorder can become frightened by benign palpitations and enter a feedback loop of monitoring, catastrophic interpretation, and increased arousal. Clinical formulation sometimes has to address both cardiac and psychological processes.
How Clinicians Evaluate Palpitations and Dizziness
The purpose of medical evaluation is not to prove that symptoms are “physical” or “psychological.” It is to identify the most plausible cause, detect conditions that require treatment, and determine whether symptom-rhythm correlation is needed. The exact workup is individualized.
1. History
A clinician usually asks what the sensation feels like; whether onset and offset are sudden or gradual; how long episodes last; how often they occur; whether they happen at rest, during exertion, after standing, during sleep, after meals, or during emotional stress; and what symptoms occur at the same time. Syncope, near-syncope, chest pain, breathlessness, exercise intolerance, neurologic symptoms, and family history of sudden death are particularly important.
Medication and substance review matters. Decongestants, stimulants, thyroid medication, some asthma medications, caffeine, nicotine, alcohol, recreational drugs, and medication withdrawal can all affect heart rate or symptom perception. Fever, dehydration, anemia, thyroid disease, electrolyte disturbances, pregnancy, infection, and other physiologic states may also enter the differential.
2. Physical Examination and Vital Signs
Heart rate, rhythm, blood pressure, oxygenation when relevant, orthostatic changes, cardiac examination, signs of heart failure, thyroid findings, and other targeted observations can guide the next step. A normal examination between episodes does not prove that an intermittent arrhythmia is absent.
3. 12-Lead Electrocardiogram
The NHLBI describes the ECG as the most common test for diagnosing arrhythmias. It can show the rhythm present at the time of recording and may reveal conduction abnormalities or other findings that alter risk assessment. If symptoms are occurring during the ECG, rhythm-symptom correlation can be especially informative.
A normal resting ECG is reassuring in some respects but does not exclude every intermittent arrhythmia. Paroxysmal rhythms can begin and end outside the short recording window. This is why recurrent unexplained episodes sometimes require ambulatory monitoring.
4. Ambulatory Rhythm Monitoring
The 2017 ISHNE-HRS expert consensus statement describes ambulatory ECG monitoring as a central tool for detecting arrhythmias that are not readily captured on a standard ECG. Monitor choice depends in part on symptom frequency: brief Holter monitoring is more likely to capture frequent events, while longer patch, event, loop, or telemetry approaches can increase the chance of recording infrequent episodes.
The goal is correlation: what rhythm was actually present when the person felt palpitations, dizziness, or near-fainting? Recording normal sinus rhythm during a typical episode can substantially change the differential. Recording an arrhythmia can direct cardiology or electrophysiology management. A monitor is therefore more than a generic “heart check”; its value depends on matching the device and duration to the symptom pattern.
5. Laboratory Testing
Blood testing is targeted rather than identical for everyone. Depending on the history and examination, clinicians may evaluate electrolytes, thyroid function, blood count, glucose, kidney function, or other factors. Testing is used to investigate plausible contributors, not to diagnose panic from a normal laboratory panel.
6. Echocardiography, Exercise Testing, and Electrophysiology
Cardiac imaging may be appropriate when structural heart disease is suspected or when results would change management. Exercise testing may be relevant for exertional symptoms or suspected ischemia in the right clinical context. Electrophysiology studies are specialized tests used for selected suspected arrhythmias, risk assessment, or treatment planning. These are not routine panic-attack tests.
For a broader explanation of how clinical history, medical evaluation, and psychiatric assessment interact, see How Is Anxiety Diagnosed? Assessment, History, and Differential Diagnosis.
Why a Normal ECG Between Episodes May Not Settle the Question
A standard 12-lead ECG samples a short period. Intermittent SVT, paroxysmal atrial fibrillation, premature beats, or other episodic rhythms may not be present during that window. The absence of an arrhythmia on one resting tracing therefore means “no arrhythmia was captured at that moment,” not “an intermittent arrhythmia is impossible.”
This limitation is one reason the ISHNE-HRS consensus emphasizes matching ambulatory-monitor duration to event frequency. It is also consistent with the older Lessmeier PSVT study, in which intermittent rhythm detection strategy influenced whether PSVT was recognized.
At the same time, more monitoring is not automatically better for every person. Incidental benign findings can create unnecessary alarm, and consumer devices can generate false positives. Testing should answer a clinical question.
What About Smartwatches and Home Heart-Rate Devices?
Consumer wearables can record heart rate, pulse irregularity, or in some devices a single-lead ECG. A tracing captured during symptoms may be clinically useful, especially when it can be reviewed by a healthcare professional. It can also be incomplete, noisy, or misclassified by an algorithm.
A smartwatch notification is not the same as a formal arrhythmia diagnosis, and absence of a notification does not exclude an arrhythmia. Wearable data should be interpreted in context, particularly when symptoms include syncope, chest pain, severe dyspnea, neurologic symptoms, or known heart disease. Repeatedly checking a device during panic can also become a safety behavior that intensifies symptom monitoring.
If a device records a concerning rhythm or symptoms are severe, medical evaluation matters more than repeated self-checking. If a clinician has already recommended a monitoring strategy, that plan should take priority over ad hoc interpretation of consumer data.
When to Seek Emergency Medical Evaluation
Seek emergency medical care for palpitations or a suspected arrhythmia when the episode is accompanied by loss of consciousness, severe or persistent chest pain, severe shortness of breath, collapse, new focal neurologic symptoms, or another sign of acute medical instability. Sudden symptoms during exertion and palpitations followed by syncope also require prompt medical assessment.
A history of panic disorder does not lower the significance of these red flags. People with panic disorder can develop unrelated cardiac disease, and people with an arrhythmia can also experience panic. The medical problem has to be assessed on its own features.
If symptoms are new, markedly different from previous episodes, increasingly frequent, associated with fainting or near-fainting, triggered by exertion, or occurring in someone with known structural heart disease, an abnormal ECG, or a family history of sudden cardiac death, timely clinical evaluation is appropriate even when the episode has ended.
When Non-Emergency Medical Evaluation Still Makes Sense
Recurrent unexplained palpitations, repeated episodes of sudden racing heart, dizziness with palpitations, symptoms that wake someone from sleep, episodes associated with exercise, or a new change in a previously stable pattern can justify outpatient evaluation. The level of urgency depends on the overall history and risk profile.
The purpose is not to medicalize every transient heartbeat sensation. Many palpitations are benign. The purpose is to avoid a false binary in which symptoms must be either “panic” or “heart disease” before basic clinical assessment has occurred.
For a wider discussion of physical anxiety symptoms without collapsing them into a psychiatric cause, see Physical Symptoms of Anxiety: Heart, Breathing, Stomach, Muscles, and Dizziness.
What If Cardiac Evaluation Does Not Find an Arrhythmia?
A negative cardiac evaluation can be meaningful, especially when the workup was appropriate to the symptom pattern and a typical episode was captured in sinus rhythm. It can shift attention toward panic, hyperventilation, medication effects, stimulant use, sleep problems, autonomic symptoms, or other causes. It does not mean the symptoms were imagined.
If episodes include abrupt surges of fear or discomfort, catastrophic interpretation of bodily sensations, anticipatory anxiety about the next episode, repeated reassurance seeking, avoidance of exercise or places associated with symptoms, or major behavior change, a mental health assessment may identify panic attacks or panic disorder. That assessment is separate from the cardiac workup and should use the full longitudinal pattern rather than a single symptom.
The broader anxiety-disorder framework is covered in Anxiety Disorders: Symptoms, Types, Diagnosis, and Treatment. A diagnosis is made clinically; a questionnaire score or symptom match is not a substitute.
What If Both Panic and an Arrhythmia Are Present?
Coexistence is possible. A documented arrhythmia may produce genuine palpitations while panic amplifies threat interpretation and avoidance. Treating only the arrhythmia may leave fear of bodily sensations intact; treating only panic while ignoring a documented rhythm problem is equally incomplete. Care may involve primary care, cardiology or electrophysiology, and mental health treatment depending on the diagnoses.
For panic disorder, evidence-based psychological treatment often includes panic-focused cognitive behavioral therapy and exposure to feared internal sensations when medically appropriate. Cardiac treatment depends entirely on the specific arrhythmia. Atrial fibrillation, SVT, premature beats, bradyarrhythmias, and ventricular arrhythmias have different management pathways. Educational material about panic should never be used as a reason to stop prescribed cardiac medication or ignore cardiology follow-up.
The practical goal is a coherent formulation: which sensations are generated by the rhythm, which are generated by autonomic arousal or breathing changes, what the person predicts those sensations mean, and what avoidance or safety behaviors have developed around them.
Common Mistakes in Online Self-Differentiation
One common mistake is assuming that fear proves panic. Arrhythmias can provoke fear. Another is assuming that an irregular sensation proves arrhythmia; subjective perception is imperfect. A third is assuming that panic attacks always happen in visibly stressful situations; unexpected attacks can occur without an obvious trigger. A fourth is assuming that a normal ECG months ago excludes a new or intermittent rhythm problem.
Another mistake is using a single heart-rate number as a diagnosis. Heart rate varies with age, fitness, posture, fever, pain, dehydration, medications, stimulants, pregnancy, and activity. Different arrhythmias can occur at different rates, and sinus tachycardia can be very fast without being a primary rhythm disorder. Rate must be interpreted with rhythm and context.
Finally, repeated online comparison can become its own source of distress. Searching every heartbeat pattern, repeatedly checking pulse or wearable data, and asking for certainty may temporarily reduce fear while reinforcing hypervigilance. The safer endpoint is appropriate medical assessment followed by a plan for whichever mechanism is actually supported.
Frequently Asked Questions
Can a panic attack make your heart feel irregular?
Yes. Panic can make the heartbeat feel forceful, rapid, fluttery, or uneven, and heightened attention can make isolated premature beats more noticeable. The sensation of irregularity does not establish a cardiac arrhythmia. If the distinction matters clinically, ECG or ambulatory rhythm recording can document the rhythm.
Can an arrhythmia feel exactly like a panic attack?
It can overlap strongly. Palpitations, dizziness, breathlessness, chest discomfort, weakness, sweating, and fear can occur in both. Some PSVT presentations have historically been mistaken for panic. Symptom overlap is the reason rhythm documentation and medical context matter.
Does a sudden start mean SVT rather than panic?
No. Abrupt onset is characteristic of some paroxysmal tachycardias, but panic attacks can also begin abruptly. Sudden start and stop are useful historical clues, not a diagnosis.
Does an irregular pulse mean atrial fibrillation?
Not necessarily. Premature beats and other rhythms can feel irregular, and self-palpation can be difficult during distress. Atrial fibrillation is diagnosed with ECG evidence, not by sensation alone.
Can a normal ECG rule out an arrhythmia?
A normal resting ECG does not rule out every intermittent arrhythmia. If symptoms are episodic, clinicians may use ambulatory monitoring matched to how often the episodes occur.
Is dizziness more typical of panic or arrhythmia?
Dizziness occurs in both and has many other causes. Dizziness with syncope, exertional symptoms, chest pain, severe breathlessness, an abnormal ECG, known heart disease, or a concerning family history requires medical attention.
Can panic disorder and an arrhythmia coexist?
Yes. They are separate diagnoses and can coexist. One condition should not be used to explain away the other.
Should I use a smartwatch to decide whether an episode is panic?
A wearable may provide useful rhythm information, but it cannot by itself decide whether an episode is panic or whether a dangerous condition is absent. Concerning symptoms need clinical evaluation.
What is the most useful test when palpitations are intermittent?
The best monitoring strategy depends on how often symptoms occur and the clinical concern. A short Holter monitor may suit frequent symptoms, while longer patch, event, or loop monitoring may be more useful for infrequent episodes. A clinician chooses the method based on the history.
When should palpitations be treated as an emergency?
Emergency evaluation is appropriate when palpitations occur with collapse or loss of consciousness, severe or persistent chest pain, severe shortness of breath, new focal neurologic symptoms, or another sign of medical instability.
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