Tachycardia mediated cardiomyopathy

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Chronic tachycardia LV dilatation and myocardial dysfunction.

Etiology:

  • A fib, A flutter, AVNRT
  • V tach

Presentation:

  • Palpitations
  • CHF

Dx:

  • EKG
  • Echo
  • Exclude other causes of lV impairment

Tx:

  • Aggressive rate control / restore sinus rhythm
  • Potential reversibility of cardiomyopathy and normal LV function