What does "Supraventricular tachycardia" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Supraventricular tachycardia is a heart condition where the heart beats abnormally fast. This happens because of improper electrical activity in the upper part of the heart. It can feel like a fluttering or racing heart and may cause dizziness, shortness of breath, or fainting. This condition can occur at any age, even in infancy.
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