envenomation

Question 1

what do you look for, for a snake bites

Answer 1

• bite mark around the ankles
• scratch or puncture
• swelling and redness
• oozing and bruising
• pain

Question 2

what are the effects of funnel web spider bite

Answer 2

inhibits the switching off of SNS (due to the lack of inhibition of Na channels) –> SNS effects, intracerebral oedema, coma. Then when SNS fails –> hypotensive and bradycardia

Question 3

what are the signs of a red back spider

Answer 3

local sweating around the bite mark and intense pain

Question 4

what is the first aid for sting/bite

Answer 4

• pressure immobilization of the whole limb by a bandage
• administer adrenaline –> fluids, oxygen, resus
• remove tick

Question 5

what do you use for antivenom testing

Answer 5

test the wound
then urine (if cant do wound)
then blood (if cant do urine)

Question 6

what tests could you do to look for snake bite

Answer 6

• clotting time
• fibrinogen test
• D dimer test
• renal function
• blood film

Question 7

what are the potential side effects of antivenom

Answer 7

• allergy
• allergy to the horse mixture
• serum sickness

Question 8

if someone has multiple snake bite marks, which snake is it like to be

Answer 8

typan

Question 9

what is the most common snake bite in victoria

Answer 9

tiger or black snake

Question 10

what is the snake that is the most venomous in victoria

Answer 10

brown snake