ATRIAL FLUTTER
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  • R-R interval is usually regular (may be irregular in the presence of AV block)
  • QRS rate is usually increased (may be normal or decreased in the presence of AV block)
  • "Sawtooth" configuration of flutter waves
  • Atrial rate is 250-500/min (usually 300/min)

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  • Sinue tachycardia
  • Supraventricular tachycardia
  • Atrial fibrillation
  •