HSS 3106 Lecture Notes - Lecture 10: Nystagmus, Tetracaine, Lidocaine

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 3106
• Professor: Ron Saulnier

Document Summary

Rapid and pleasant induction and withdrawal from anesthesia. Stages of anesthesia: analgesia: pain abolished but consciousness retained, excitement: unconsciousness but possible unpleasant shaking, violence, and fear, surgical anesthesia: progressive muscle relaxation and unconsciousness, risk of respiratory depression, medullary paralysis: respiratory failure and circulatory collapse. Used to reduce anxiety, sedate, produce amnesia, increase comfort, reduce gastric acidity and volume, increase gastric emptying, Suppress strenuous functions such as throwing up decrease nausea and vomiting, reduce incidence of aspiration. Affect whole body; produce unconsciousness by depressing cns. Medications are used in combinations to smoothly and rapidly induce anesthesia and allow prompt recovery; ensure wide safety margin; Skeletal muscle relaxation and diminished reflexes and reduce side effects. The choice of anesthetic drug depends on many factors, including: Older adults are more likely to experience adverse drug reactions than younger adults because, in general, they take more medications. The most important and common mechanism of action is enhanced gaba effect on gaba(a) receptors.