chf 1

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Author:
Anonymous
ID:
45013
Filename:
chf 1
Updated:
2010-10-26 01:12:45
Tags:
chf
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chf 1
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  1. release of norepinephrine by the sympathetic nervous system causes (3)
    • inc HR
    • inc in force of contraction
    • improved cardiac output
  2. myocardial fibers are stretched by increasing end-diastolic ventricular pressure and volume, the fibers contract w/ greater response. (rubber band response)
    frank-starling respose
  3. in a pt w/ severe heart failure, ejection fraction may fall to as low as
    20%
  4. how much ventricular volume is being ejected during a contraction of the vetricles
    70%
  5. which results in more dramatic symptoms? left or right failure?
    left/chf
  6. normal range of pulm artery pressure
    25/10
  7. 5 types of causes of cor pulmonale
    • massive pulm embolism
    • ards
    • copd
    • pulm hypertension
    • bilateral pneumothoraces
  8. term is used to described right heart enlargement, also pumps against pulm arteries
    cor pulmonale
  9. 6 risk factors of CHF
    • smoking
    • diabetes
    • hypertension
    • obesity
    • high fat diet
    • fam hist/heart disease
  10. results in pulm edem (fluid in the lungs is usually CHF or COR PUL?)
    CHF
  11. CHF is which side of the heart
    left
  12. define heart failure
    hearts inability to pump adequate amounts of blood to meet the metabolic needs of the body

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