Anaesthesia

Question 1

what anxiolytics are used

Answer 1

benzos eg lorazepam

Question 2

what anti emetics are used

Answer 2

odansetron (5HT3 antagonist) the most effective, also metoclopramide

Question 3

what antacids are used and when

Answer 3

ranitidine or omeprazole used in patients at risk of aspiration

Question 4

side effects of anaesthetic agents

Answer 4

hyoscine, atropine- tachycardia, urinary retention, glaucoma, sedation; opioids- resp depression, N+V, constipation; thiopental- laryngospasm

Question 5

CI to spinal block

Answer 5

anticoag, infection

Question 6

complications due to loss of pain sensation

Answer 6

urinary retention, diathermy burns, pressure necrosis, local nerve injuries

Question 7

complications due to loss of muscle power

Answer 7

corneal abrasion, no respiration, no cough

Question 8

what shows the beginning of local anaesthetic toxicity

Answer 8

peri oral tingling, parasthesia, then to drowsy, seizures, coma, cardioresp arrest