Heart Rhythm Disorders: Supraventricular Tachycardia Symptoms

  • Symptoms

    Although not everyone with SVT has symptoms, the most common type are heart palpitations—a feeling of a racing heart or fluttering or pounding in the chest. Other symptoms include:

    • dizziness
    • shortness of breath
    • chest pain
    • a pounding sensation in the throat or neck
    • weakness
    • fatigue
    • lightheadedness
    • fainting (especially in the case of underlying heart disease)

  • Risk Factors

    Risk factors for SVT vary, but can include gender, age, and underlying disease. Depending on the type of SVT, the following things may be risk factors:

    • gender
    • age
    • abnormal heart structures
    • existing illness (such as long-term lung disease, diabetes, respiratory failure, inadequate oxygen intake, heart disease, low blood pressure, anemia, cancer, fever, and hyperthyroidism)
    • toxic reactions from the heart medication digoxin, or alcohol
    • exercise
    • pregnancy
    • emotions
    • pain
    • heart valve surgery.

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