Hyperemia And Congestion Flashcards
1
Q
Hyperemia and congestion definition
A
Local increased blood volume in a tissue
2
Q
Hyperemia characteristics
A
Active process due to increased blood flow ( arteriolar dilation)
Occurs in acute inflammation and skeletal exercise
3
Q
Clinical presentation of hyperemia
A
Red tissue because of o2 rich blood accumulation
4
Q
Congestion characteristics
A
Passive process - stagnation of blood in tissue because of decrease outflow of blood ( systemic in cardiac failure, localized in isolated venous obstruction)
5
Q
Clinical presentation of congestion
A
Blue red color of tissue because - cyanosis