abnormal bleeding Flashcards
1
Q
what is defined as abnormal
A
not expected duration volume lost or additional treatment is required
2
Q
what are the effects of blood loss
A
blood in the tissues blood in the stomach blood in airwau reduced platelets hypovolaemia
3
Q
what is haemostasis
A
prevention of blood loss
4
Q
how is haemostasis achieved
A
vascular spasm
formation of platelet plug
blood coagulation
growth of fibrous tissue
5
Q
describe a vascular spasm
A
smooth muscle in the BV WALL contracts and reduces blood loss