NCLEX RN Practice Question # 663

NCLEX Examination.

Practice Question # 663.


Atrial fibrillation


  • Multiple rapid impulses from many foci depolarize in the atria in a totally disorganized manner at a rate of 350 to 600 times/minute.
  • The atria quiver, which can lead to the formation of thrombi.
  • Usuallyno definitivePwavecan beobserved, only fibrillatory waves before each QRS.


  • Administer oxygen.
  • Administer anticoagulants as prescribed because of the risk of emboli.
  • Administercardiacmedicationsasprescribed to control the ventricular rhythm and assist in the maintenance of cardiac output.
  • Prepare the client for cardioversion as prescribed.Instruct the client in the use of medications as prescribed to control the dysrhythmia.

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