Afib

  1. Does Afib cause increased or decreased preload? I always thought increased because of backup, but book says decreased. Ok, OH nurses, help
    Last edit by Zaphod on Aug 6, '10
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    About Zaphod

    Joined: Jun '10; Posts: 188; Likes: 172
    SRNA; from US
    Specialty: 4 year(s) of experience in ICU-CCRN, CVICU, SRNA

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  3. by   aCRNAhopeful
    Quote from anadam
    Does Afib cause increased or decreased preload? I always thought increased because of backup, but book says decreased. Ok, OH nurses, help
    Its decreased. You're missing out on the atrial kick that primes the ventricle of about 20% more blood at end diastole. Not to mention if it's rapid afib you're going to have less time to fill the ventricles.

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