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Indicates increase of ARTERIOLE-mediated engoregment of the vascular bed. Blood is OXYGENATED (red)
Indicates passive, VENOUS engorgement caused by decreased outflow of blood. Blood is poorly oxygenated (blue - cyanotic). This is associated with congestive heart failure
T/F: Hyperemia can be normal
True. It occurs in:
1. Digestion: increased blood flow to the GIT
2. Exercise: increased blood flow to muscles
3. To dissipate heat: increased blood flow to the skin to help cool the body (skin, face often turn red)
4. Neurovascular: INVOLUNTART increase in blood flow to the face (facial hyperemia) due to embarrassment of emotional distress
Pathological hyperemia is caused by an underlying pathological process, usually __________
5 Cardinal signs of inflammation
1. Rubor (redness)
2. Tumor (swelling)
3. Calor (heat)
4. Dolor (pain)
5. Functio laso (loss of function)
Arteriolar dilation occurs secondary to ___________ __________ produced at the site of injury
Pathological hyperemia is not only associated with inflammation but can also often be associated with ______
edema - due to vessels becoming leaky during inflammatory response
Gastric dilitation and volvulus, intestinal volvulus and colonic torsion are all problems that can result in _________ ___________
localized (venous) congestion
This type of congestion is usually the result of heart failure associated with edema
Subacute to chronic HEPATIC congestion is usually the result of _____-sided congestive heart failure. Secondary to this congestion is HEPATOMEGALLY
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