Cardiac Arrhythmia

Aka: Cardiac Arrhythmia, Cardiac Dysrhythmia, Arrhythmia, Dysrhythmia

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II. Causes: Pulseless (Cardiac Arrest)

  1. Pulseless Electrical Activity
  2. Ventricular Fibrillation or Pulseless Ventricular Tachycardia
  3. Asystole

III. Causes: Tachycardia

  1. See Tachycardia
  2. Narrow Complex Tachycardia
    1. Sinus Tachycardia
    2. Irregular Supraventicular Tachycardia
      1. Atrial Fibrillation
    3. Regular Supraventricular Tachycardia
      1. Sinus Tachycardia (rarely >150-160 in non-exercising adults)
      2. Paroxysmal Supraventricular Tachycardia (PSVT)
      3. Atrial Flutter
  3. Wide Complex Tachycardia
    1. Ventricular Tachycardia (>120 beats per minute)
    2. Supraventricular Tachycardia with aberrancy
    3. Torsade De Pointes

IV. Causes: Bradycardia

  1. See Bradycardia
  2. Sinus Bradycardia
  3. Sinus Arrhythmia
  4. Sick Sinus Syndrome
  5. Atrioventricular Block
    1. First Degree Atrioventricular Block
    2. Second Degree Atrioventricular Block Type 1 (Wenckebach AV Block, Mobitz I AV Block)
    3. Second Degree Atrioventricular Block Type 2 (Mobitz II AV Block)
    4. Third Degree Atrioventricular Block

V. Causes: Syndromes

  1. Reentry Arrhythmia Syndromes (accessory bundles)
    1. See Atrioventricular Nodal Reentry
    2. Wolff-Parkinson-White Syndrome
    3. Long-Ganong-Levine Syndrome
  2. Syndromes associated with Sudden Cardiac Death
    1. See EKG Changes in Syncope due to Arrhythmia
    2. Sudden Arrhythmia Death Syndrome (Brugada Syndrome)
    3. Long QT Syndrome
    4. Arrhythmogenic Right Ventricular Dysplasia (ARVD)
    5. Hypertrophic Cardiomyopathy
  3. Miscellaneous Syndromes
    1. Atrial Fibrillation
    2. Atrial Flutter

VI. Causes: Miscellaneous

  1. Ectopy
    1. Premature Ventricular Contraction
    2. Premature Atrial Contraction

VII. Symptoms

  1. Palpitations
  2. Shortness of Breath
  3. Chest Pain
  4. Syncope
  5. Light Headedness

VIII. Diagnostics

  1. See Electrocardiogram
  2. See EKG Changes in Syncope due to Arrhythmia

IX. Management

  1. See ABC Management
  2. See Syncope
  3. See Unstable Bradycardia
  4. See Supraventricular Tachycardia Management in the Adult
  5. See Supraventricular Tachycardia Management in the Child
  6. See Ventricular Tachycardia Management in the Adult
  7. See Ventricular Tachycardia Management in the Child

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Related Studies

Related Topics in Electrocardiogram

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