Droperidol Flashcards
CNS effects
Liters normal CNS transmission
Mechanism of action
Acts centrally at sites where dopamine, NE, and SE act
Anti-emetic
Effect at red astrocytes in the chemo-receptor trigger zone
A-adrenergic
Blocking ability
GABA receptors
May occupy on post synaptic membrane causing build up of DA on the inter synaptic cleft
Anesthesia a
Neuroleptic anesthesia
Cardiovascular effects
Decrease SVR, MAP,
Nothing on CO or Contractility
EKG change
Prolonged QT interval
Delayed repolarization
Torsades de pointes
CNS effects
No human data on CBF
worsen extra pyramidal symptoms
Contraindicated in
Parkinson’s
Uses
Antiemetic 0.625-1.25 mg IM/IV in adults
Onset
5-8 mins
VD
2 L/kg
Duration of faction
3-6 hours
Elimination half life
1.7-2.2 hours