anesthetics Flashcards
1
Q
how do local anesthetics work
A
inhibit transport of ions across neuronal membranes, preventing initiation and conduction of normal nerve impulses
2
Q
how does ketamine work
A
antagonist of NMDA receptor causing neuro-inhibition and anesthesia where patient is dissociated from the surrounding
3
Q
ketamine may be used as an anesthetic for patients with what concerns
A
cardiac concerns (increases BP, HR, and cardiac output)
4
Q
low doses of what anesthetic can produce analgesia
A
ketamine
5
Q
what are some adverse reactions to ketamine
A
prolonged emergence from anesthesia
potential increase in HR and BP in contraindicated patients
6
Q
contraindications of ketamine
A
conditions in which increase in BP would be hazardous
confirmed or suspected schizophrenia
increased risk of laryngospasm
