NCLEX RN Practice Question 428

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Take Practice Question # 428.

Atrial fibrillation

 Description

• Multiple rapid impulses from many foci depolarize in the atria in a totally disorganized manner at a rate of 350 to 600 times/min.
• The atria quiver, which can lead to the formation of thrombi.
• No definitive P wave can be observed, only fibrillatory waves before each QRS.

Interventions

• Administer oxygen.
• Administer anticoagulants as prescribed because of the risk of emboli.
• Administer cardiac medications as prescribed 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.