Random Bits of Information

Question 1

Anaesthetics

Answer 1

adrenaline should be avoided in surgery to do with the fingers and toes (ring block) due to the risk of digital ischaemia

intra-operative hypothermia increases risk of bleeding
most anaesthetics reduce BP, ketamine is a good anaesthetic for hemodynamically unstable patients

local anaesthetic toxicity treated with IV 20% lipid emulsion

lidocaine works through blockage of Na chnnels

Bag mask ventilation increases risk of PONV, due to inflation of the stomach

Question 2

Peri Op

Answer 2

sterile saline for wound cleansing up to 48hrs after surgery
patients can shower 48 hrs after surgery
can use tap water for wound cleansing after 48hrs if wound has separated or surgically opened to drain pus

over administration of NaCl can lead to hyperchloremic metabolic acidosis

Question 3

High stoma output

Answer 3

St marks electrolyte mix
Codeine, loperamide
Omeprazole reduces gastric secretions in the bowel
Metoclopramide not used in high stoma output because it is pro kinetic