Norepinephrine Flashcards
1
Q
Class
A
Alpha adrenoreceptor
agonist
2
Q
Actions
A
Peripheral
vasoconstrictor by
acting on alpha-
adrenergic receptors
3
Q
Mechanism of action
A
Acts on both alpha-1 and
alpha-2 adrenergic
receptors to cause
vasoconstriction
4
Q
Clinical use
A
Vasodilatory shock
Neurogenic shock
Septic shock
Hypotension
5
Q
Adverse effects
A
Profound hypertension
Local vasoconstriction
Tissue hypoxia
6
Q
what class is Norepinephrine
A
An alpha adrenoreceptor agonist
7
Q
what is Norepinephrine a precursor of
A
epinephrine
8
Q
where in the body secretes epinephrine
A
adrenal medulla
9
Q
how does Norepinephrine function as a peripheral vasoconstrictor
A
acting on both alpha-1 and a-2 adrenergic receptors
10
Q
when is norepinephrine used
A
Only given in ICU as infusion for cardiovascular support
