Atrial Flutter and Atrial Fibrillation - PowerPoint PPT Presentation

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Atrial Flutter and Atrial Fibrillation
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Atrial Flutter and Atrial Fibrillation

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  1. Atrial Flutter and Atrial Fibrillation • Chapter 15

  2. Introduction • Atrial flutter and fibrillation • tachycardias • ectopic

  3. Introduction • PVST • atrial rate = 140-250 cycles /min • Atrial flutter • atrial rate = 250-350 cycles/min • F waves • “sawtooth” shape • Atrial fibrillation • atrial rate = 350-600 cycles/min • f waves

  4. Atrial Flutter/Fibrillation

  5. Atrial Flutter • Reentrant type arrhythmia

  6. Atrial Flutter • Typical atrial rate is about 300 / min

  7. Atrial Flutter • Ventricle rate is closer to 150, 100 or 75 beats/min • 2:1, 3:1 and 4:1

  8. Atrial Flutter • Causes • Symptoms • palpitations, light-headedness, syncope • Formation of thrombi

  9. Atrial Flutter • Treatment • spontaneous • oxygen treatment (hypoxemic patients) • drugs (beta blocker, Ca channel blocker, digitalis, antiarrhythmia drug) • synchronized electrical cardioversion • pacing wire • RF catheter ablation

  10. Atrial Fibrillation • Atrial rate = 350-600 • f waves • course • fine • Irregular ventricular rate • Multiple reentrant wavelets or multiple foci of atrial activation

  11. Atrial Fibrillation

  12. Atrial Fibrillation

  13. Atrial Fibrillation

  14. Atrial Fibrillation

  15. Atrial Fibrillation