2684424
Description
Mind Map by st20037616, updated more than 1 year ago
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Created by st20037616
over 9 years ago
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Oedema
- "isotonic expansion of the interstitial
compartment"
- = inc.vol of fluid btwn cells
- =cells pushed away from blood supply = cell death
- = inc.vol of fluid btwn cells
- Mechanisms:
- inc cap b/p (RVF /LVF)
- trauma/damage to tissues
- inflamation/infection
- raise of histamine (hayfeaver -inflam reducing)
- RVF
- Blood accumilation in RV and RA - inc Venous press - inc cbp - excess isf = oedema (lower limbs)
- Blood accumilation in RV and RA - inc Venous press - inc cbp - excess isf = oedema (lower limbs)
- LVF
- Blood accum in LV and LA - inc venous pul pressure - inc pul capp bp - excess isf = pumonary oedema (impaird gas exchange/diff breathing)
- Blood accum in LV and LA - inc venous pul pressure - inc pul capp bp - excess isf = pumonary oedema (impaird gas exchange/diff breathing)
- trauma/damage to tissues
- dec oncotic press due to plasma
pr
- Dec plas pr levels
- Malnutrition-pr (Kwarsiokor)
- renal /liver dis
- severe burns
- Malnutrition-pr (Kwarsiokor)
- Dec plas pr levels
- inadaquate lymph draining
- lymphatic removal/blockage/tumor
- elevated cvp
- lymphatic removal/blockage/tumor
- inc cap permability
- Arterial dilation (pre-cap)
- Venular constriction (post -cap)
- Inc venous pressure
- Arterial dilation (pre-cap)
- inc cap b/p (RVF /LVF)
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