Atriventricular Nodal Reentry Tachycardia AVNRT

• Facts:
  Supraventricular Tachyarrhythmia
  A reentry circuit in AV node depolarizes atrium and ventricle almost simultaneously
• History / PE:
  Palpitations
  SOB
  Angina
  Syncope
• Diagnosis:
  Rate 150-200 bpm
  P wave is usually buried in QRS or shortly after
• Treatment:
  Carotid massage/valsalva, adenosine (stop arrhythmia)
  Cardiovert if unstable