What Causes Palpitations? Common & Serious Causes Explained
Palpitations can be caused by Heart Attack (Myocardial Infarction), Atrial Fibrillation, Hypertension and other conditions. Learn which causes are serious, which are benign, and when to seek urgent medical evaluation.
Updated March 27, 2026
Palpitations has multiple causes, ranging from benign to serious. The most common include Heart Attack (Myocardial Infarction), Atrial Fibrillation, Hypertension. A heart attack occurs when blood flow to part of the heart muscle is blocked, usually by a blood clot in a coronary artery. Immediate treatment is critical. Symptoms include chest pain, pressure radiating to the arm or jaw, sweating, and nausea.
Clinical Context
The causes of palpitations range from benign to serious. Identifying the underlying cause requires clinical evaluation. Common causes include Heart Attack (Myocardial Infarction), Atrial Fibrillation, Hypertension, Hyperthyroidism, and others.
Patterns That Narrow the Differential
Updated March 27, 2026What Causes Palpitations? Common & Serious Causes Explained usually becomes clinically useful only when the symptom pattern is read in context rather than as a single isolated phrase. On real pages, people search this question when they are trying to separate benign explanations from higher-risk causes such as Atrial Fibrillation, Hypertension, Hyperthyroidism. Palpitations becomes more meaningful when it appears together with Palpitations, because that combination changes which diagnoses move higher on the differential and which ones can be deprioritised. That is why this page now reinforces the diagnostic path with direct links to the strongest canonical symptom and condition hubs, so Google and users can see a clearer entity relationship instead of another standalone FAQ fragment.
Clinical Pathway
Palpitations — Symptom HubSymptomHeart Attack (Myocardial Infarction) — Full Condition GuidePrimary CauseHeart Attack (Myocardial Infarction) — Differential DiagnosisDifferentialAngina Pectoris vs. Heart Attack (Myocardial Infarction) — Comparisonvs.Atrial Fibrillation — Full Condition GuideUrgent CauseHypertension — Full Condition GuideCauseHyperthyroidism — Full Condition GuideCauseFrequently Asked Questions
What Causes Palpitations? Common & Serious Causes Explained+
Palpitations has multiple causes, ranging from benign to serious. The most common include Heart Attack (Myocardial Infarction), Atrial Fibrillation, Hypertension. A heart attack occurs when blood flow to part of the heart muscle is blocked, usually by a blood clot in a coronary artery. Immediate treatment is critical. Symptoms include chest pain, pressure radiating to the arm or jaw, sweating, and nausea.
What is the most common cause of palpitations?+
Common causes include Heart Attack (Myocardial Infarction), Atrial Fibrillation, Hypertension. The most likely cause depends on age, associated symptoms, and medical history.
When should I see a doctor for palpitations?+
Seek medical attention if palpitations is persistent, worsening, sudden in onset, or accompanied by other concerning symptoms.
Can palpitations be caused by stress or anxiety?+
Yes — psychological stress can contribute to many physical symptoms, but organic causes should be excluded by a healthcare provider.
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