anaesthetics

Question 1

ix for anastomotic leak

Answer 1

abdo CT

Question 2

metabolic complication of giving too much 0.9% NaCl

Answer 2

hypercholraemic acidosis

Question 3

suitable anaesthetic agent for haemodynamically unstable patients

Answer 3

Ketamine

Question 4

when is a tracheostomy used

Answer 4

prolonged ITU stay

useful in slow weaning

Question 5

when should LMWH be commenced post-op for a THR

Answer 5

6-12 hours after operation

Question 6

signs of hyponatraemia in elderly patients post-op

Answer 6

confusion

hypotension

Question 7

drugs which impair wound healing

Answer 7

NSAIDs
steroids
immunosuppressive agents
anti-neoplastic drugs

Question 8

hypertrophic vs keloid scars

Answer 8

hypertrophic - confined to the extent of the wound

keloid - passes beyond the boundaries of the original injury

Question 9

anaesthetic agent that has anti-emetic properties

Answer 9

propofol

Question 10

what may happen if a child is given hypotonic IV fluids, e.g. 0.45% NaCl

Answer 10

hyponatraemic encephalopathy

Question 11

which anaesthetic agent is contraindicated in penetrating eye injuries or acute narrow angle glaucoma

Answer 11

suxamethonium

Question 12

reversal agent for benzodiazepines

Answer 12

Flumazenil

Question 13

moa of lidocaine

Answer 13

blockage of sodium channels disrupting the action potential

Question 14

5 W’s of post-op pyrexia

Answer 14

Wind (day 1): atelectasis/pneumonia
Water (day 3): UTI
Wound (day 5): infection
Walking (day 7): VTE
Wonder-drugs (anytime): adverse drug reactions

Question 15

what does a 2% strength liquid mean

Answer 15

2g are dissolved in 100ml

Question 16

airway device that protects lungs from regurgitated stomach contents

Answer 16

tracheal tube