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A-Hemodynamic

  1. 3 factors that control the bp
    • heart
    • blood
    • vessels
  2. the pump that creates the bp
    heart
  3. amt of fluid in the circulatory system will affect the bp
    blood
  4. inc in the hr/strength will
    inc bp
  5. dec in the hr/strength will
    dec bp
  6. excessive fluids will
    inc pressure
  7. loss of fluids will
    dec press
  8. vessel constriction will
    inc press
  9. vessel dilation will
    dec pressure
  10. systolic, diastolic and mean arterial pressures MAP are monitored continously by using a
    indewelling arterial catheter with a pressure transducer
  11. normal pressure for systolic
    120 mm hg
  12. normal pressure for diastolic
    80 mm hg
  13. normal pressure for mean
    93 mm hg
  14. mean arterial pressure MAP formula
    MAP= (2 x diastolic) + systolic / 3

    normal value in the teens
  15. right heart problem
    CVP
  16. lung problem
    PAP
  17. left heart problem
    PCWP
  18. normal ranges for CVP
    • 2-6 mm hg
    • 4-12 cmh20
  19. normal ranges for PAP
    25/8
  20. normal ranges for PCWP
    4-12 mm hg
  21. normal adult cardiac output
    4-8 l/min
  22. normal cardiac index
    2-4 l/min
  23. monitor does not show the normal dicrotic notch and the catheter is somehow obstructed
    pressure dampeninge
  24. increase CVP =
    • right heart failure
    • cor pulmonale
    • tricuspid valve stenosis
  25. increase PAP =
    • lung disorders
    • pulm embolism
    • pulm htn
    • air embolism
  26. increase PCWP/ decrease Qt
    • left heart failure
    • miltral valve stenosis
    • CHF
    • hih peep effects
  27. to get rid of fluid, you give
    diuretic
  28. the difference btwn the systolic and diastolic pressure
    pulse pressure
  29. formula for pulse pressure
    sustolic pressure - diastolic
  30. normal value for pulse pressure
    40 mm hg
  31. measures the output of the left ventricle to the systemic arterial circulation
    cardiac output
  32. stroke vol equation
    heart rate x stroke vol
  33. cardiac output formula
    qt/ bsa (body surface area)
  34. pressure gradient across the systemic circulation divided by the cardiac output
    systemic vascular resistance SVR
  35. SVR formula
    (MAP - CVP) / cardiac output
  36. normal value of SVR
    < 20 mm hg/l/min or 1600 dynes
  37. to conver mm hg/l to dynes,
    multiply by 80
  38. pressure gradient across the pulm circulation divided by cardiac output
    pulm vascular resistance PVR
  39. PVR formula
    (MAP - PCWP) / cardiac output
  40. normal value of PVR
    < 2.5 or 200 dynes
Author
Anonymous
ID
79302
Card Set
A-Hemodynamic
Description
A-Hemodynamic
Updated

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