Management of Bradycardia: Causes, Symptoms & Treatment Guide

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What is Bradycardia?

Bradycardia refers to a slower-than-normal heart rate, typically less than 60 beats per minute in adults. While it can be normal in athletes or during sleep, it may cause symptoms if the heart isn’t pumping enough oxygen-rich blood.

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  • Aging-related changes in the heart
  • Heart conduction disorders (e.g., sick sinus syndrome)
  • Medications (beta-blockers, calcium channel blockers)
  • Hypothyroidism
  • Electrolyte imbalance (low potassium)

  • Post heart surgery complications

    • Symptoms to Watch

    • Fatigue and weakness
    • Dizziness or lightheadedness
    • Fainting (syncope)
    • Shortness of breath
    • Chest discomfort
    • Confusion (in severe cases)

    Diagnosis

    Doctors may use:

    • Electrocardiogram (ECG)
    • Holter monitoring
    • Blood tests (thyroid, electrolytes)
    • Echocardiography

    Management of Bradycardia

    1. Immediate (Emergency) Management

    If symptomatic and unstable:

    • Atropine injection (first-line treatment)
    • Intravenous fluids
    • Temporary pacing (transcutaneous or transvenous)
    • Oxygen support

    2. Treat Underlying Causes

    • Adjust or stop causative medications
    • Correct electrolyte imbalance
    • Treat thyroid disorders
    • Manage underlying heart disease


  • Permanent pacemaker (for persistent symptomatic cases)
  • Regular follow-up with cardiologist
  • Lifestyle modifications:
    • Balanced diet
    • Regular moderate exercise
    • Avoid excessive alcohol and smoking

    4. Home Care & Monitoring

    • Monitor pulse regularly
    • Stay hydrated
    • Avoid self-medication
    • Seek medical help if symptoms worsen

    When to Seek Immediate Help

    • Sudden fainting
    • Severe chest pain
    • Difficulty breathing
    • Confusion or altered consciousness

    Prognosis

    With proper treatment, most people with bradycardia can live normal lives. Early detection and appropriate management are key to preventing complications.

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