Experiencing heart palpitations, where you can feel or hear your own heartbeat, can be concerning. Understanding the reasons behind this phenomenon is key. Here are seven explanations from cardiologists:
1. Physical Exercise
During physical activity, your heart rate increases to supply more blood and oxygen to your muscles, causing it to beat faster. This is normal, but if accompanied by chest pain or dizziness, consult a doctor.
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2. Stress and Anxiety
Emotional stress and anxiety can trigger palpitations due to adrenaline rushes. Incorporating relaxation techniques like deep breathing or meditation can help manage them.
3. Dehydration and Electrolyte Imbalances
Dehydration reduces blood volume, making the heart work harder, leading to palpitations. Maintain proper hydration and a balanced diet rich in electrolytes like magnesium and potassium.
4. Sleep Position
Sleeping in a curled position can increase internal pressure, causing heart palpitations. Adjusting your sleeping posture may help alleviate this issue.
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5. Consumption of Stimulants
Caffeine, nicotine, and certain medications can stimulate the heart, causing irregular heartbeats. Limiting intake of these substances can help reduce palpitations.
6. Medical Conditions
Underlying medical conditions like anemia, thyroid disorders, or heart disease can contribute to palpitations. Regular check-ups and managing these conditions are essential.
7. Pulsatile Tinnitus

If you hear your heartbeat in your ear, it could be pulsatile tinnitus, where individuals hear their pulse in their ear. Consult a doctor to rule out any serious conditions.
When to See a Doctor

If you experience persistent palpitations, dizziness, chest pain, shortness of breath, or fainting, seek medical advice promptly. Understanding the causes of heart palpitations can help you manage your heart health effectively. Always consult a healthcare professional if you have concerns or ongoing symptoms.
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Sources
- “‘4 Ways I Combat the Mental Load of Living With Chronic Eczema’.” Well and Good. March 1, 2024.
- “Heart Palpitations.” Cleveland Clinic