Causes of a Racing Heart in Children
A racing heart, or tachycardia, may feel like a fluttering in the chest or a galloping heart. Other symptoms, such as chest pain or dizziness, may or may not be present and episodes may last a few minutes or over an hour.
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Heart Problems
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Structural problems within the heart may involve valves, muscular tissue, or electrical pathways. Conditions such as Wolff-Parkinson-White syndrome, mitral valve prolapse, Supraventricular or ventricular tachycardia, or congenital issues like a hole in heart can also cause racing heart symptoms.
Other Conditions
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Other conditions not directly related to the heart can still affect the heart rate. These include high blood pressure, hyperthyroidism, and an imbalance of electrolytes which can affect the electrical functioning of the heart.
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Substances
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Caffeine and cold medicines can cause a racing heart. While less likely to be applicable to children, other substances such as alcohol, cocaine, tobacco and diet pills can also affect the heart rate.
Symptoms
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Symptoms of a racing heart include very rapid pulse, dizziness, fainting, lightheadedness, being short of breath, and chest pain. Some children may have a rapid pulse without additional symptoms or discomfort.
Warning
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If a child experiences a rapid pulse seek medical evaluation without delay. Call 911 or go to the emergency room if chest pain, difficulty breathing or loss of consciousness occurs.
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