Hypovolaemic Shock Flashcards
1
Q
What decreases firing of the baroreceptors in the blood vessels?
A
Drop in BP
Decreased Preload (stretch)
2
Q
What is the difference between Hypovolaemia and dehydration?
A
Hypovolaemia: intravascular loss
Dehydration: interstitial loss
3
Q
Name 4 causes of Hypovolaemia?
A
GI losses
Haemorrhage
Third spacing
Integument: wound, burns
Polyuria
4
Q
During a neuroendocrine response, what happens to the parasympathetic and sympathetic systems?
A
Parasympathetic stimulation reduced.
Sympathetic stimulation increased.
5
Q
The sympathetic stimulation results in activation of what adrenergic receptors?
A
Alpha - 1
Beta - 1
6
Q
What effect does alpha 1 and bats 1 adrenergic receptors have?
A
Vasoconstriction
Increased HRT
Increased contractility
7
Q
A
8
Q
A
