SAQ 945 – Paediatrics – blue-ringed octopus envenomation and marine collapse

A 10-year-old boy collapses while playing at a beach.

His friend reports that the boy had been handling a small octopus with bright blue rings shortly before collapsing.

Name the likely toxin and describe its mechanism of action.

(Marked out of 2.0)

/ 2

Complete the table of early and late clinical features expected from this toxidrome.

(Marked out of 4.0)
</p> <table class="saq-prop-table" style="width: 100%; max-width: 100%; table-layout: fixed; border-collapse: collapse;"> <thead> <tr> <th style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Early features</th> <th style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Late features</th> </tr> </thead> <tbody> <tr> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Feature 1</td> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;"></td> </tr> <tr> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Feature 2</td> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;"></td> </tr> </tbody> </table> <p>

/ 4

What is the definitive management?

(Marked out of 1.0)

/ 1

Name two other Australian marine creatures that can cause sudden collapse and state the mechanism for each.

(Marked out of 4.0)
</p> <table class="saq-prop-table" style="width: 100%; max-width: 100%; table-layout: fixed; border-collapse: collapse;"> <thead> <tr> <th style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Marine creature</th> <th style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Mechanism of collapse</th> </tr> </thead> <tbody> <tr> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Creature 1</td> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;"></td> </tr> <tr> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;">Creature 2</td> <td style="overflow-wrap: anywhere; word-break: normal; white-space: normal; vertical-align: top; box-sizing: border-box;"></td> </tr> </tbody> </table> <p>

/ 4

Total Score: 0 / 11

Percentage: 0%