Local anaesthetics and other drugs Flashcards
1
Q
What does ephedrine do?
A
- direct and indirect action on alpha and beta receptors
- causes rise in HR and BP
2
Q
what does phenylephrine cause?
A
- rise in BP by vasoconstriction
- drop in HR due to reflex bradycardia
3
Q
What does metaraminol cause?
what receptors does it work on?
A
- rise in BP by vasoconstriction
- just alpha receptors
4
Q
What do you give in severe hypotension? (3)
How are these given?
A
- noradrenaline
- adrenaline
- dobutamine
- IV central line
