Hemodynamic Disorders

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22 terms · Hemodynamic disorders

Anasarca

- generalized, severe, subcutaneous edema

Ascites

- non-inflammatory fluid in the peritoneal cavity
- hydroperitoneeum, peritoneal effusion

Congestion

- engorgement of the vascular (capillary) bed
- caused by impaired venous return
- failure of forward flow (heart failure)

Cyanosis

- dark blue or purple dicoleration of the skin and mucous membrain due to deficient oxgyen in the blood

Dependent edema

- increase in extracellular fluid volume localized in a dependent area
- brisket (cow), lower jaw (sheep), limbs

Edema

- excessive accumulation of fluid in interstitial spaces of tissue or in a body cavity

Effusion

- escape of fluid from the blood vessels of lymphatics into the tissue or a cavity

Exudate

- any fluid out of a tissiue or capillary
- b/c of inflammation
- high in protein
- will clott

Hydorpericardium

- non-inflammatory accumulation of fluid in the pericardial sac
- pericardial effusion

Hydrothorax

- non-inflammatory accumulation of fluid in the plural cavity
- syn. plural effusion

Hyperemia

- engorgement of the capillary bed caused by an increased arteriolar blood flow into the area/organ

Hypostatic congestion

- congestion due to pooling of venous blood in a dependent tissue

Lymphedema

- edema caused by the obstruction of the lymphatic system and an accumulation of a large amount of lymph in the affected areas

Pathogensis

- the pathologic, physiologic, or biochemical mechanism resulting in the development of a disease or morbid process

Transudate

- edema or fluid in body cavity
- clear, no cells
- wont clot
- non-inflammatory

Hypoproteinemia

- low protein in blood
- causes net movement into the interstitial tissue

Thrombosis

- formation of an inappropriate clot of fibrin and/or platelets along with other blood elements on the wall of a blood or lymphatic vessel or heart

Thromboembolism

- thrombus free within the lumen of a vessel

Fate of thrombi

- propagation leading to vessel obstruction
- embolization (dislodge and travel to other sites)
- dissolution (removed)
- Organization and recanalization (organization and in-growth of vessels)

DIC

- disseminated intravascular coagulation
- widespread formation of micro-vascular thrombi
- triggers fibrinolysis
- consumes the factors for both processes slowing clotting time (thrombi may have already caused extensive ischemic damage)
- consumptive coagulopathy
- usually caused by septicemia / endotoxemia, viral or immunologic injury to the endothilium

Embolism

- detached intravascular solid (thrombi, tumor cells, bacteria), liquid (fat), or gaseous (air) mass that is carried by carried by the blood to a site distant form its point of origin and blocks the vessel

Infarction

- area of ischemic necrosis where all the affected tissue has undergone necrosis

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