First Aid Knowledge and Emergency Response Guides

Welcome to the REACHAU First Aid Knowledge Hub.

Here you will find practical guides that explain how to recognise and respond to medical emergencies in real-world situations.


Our articles cover essential first aid topics including bleeding control, CPR, snakebite management, remote workplace emergencies, and nationally recognised first aid training.


Each guide is designed to help people understand not only what to do, but why first aid techniques work.

First Aid Blog Posts

What to Do If Someone Has a Severe Bleed and is Unresponsive?

What to Do If Someone Has a Severe Bleed and is Unresponsive?

What to Do If Someone Has a Severe Bleed and is Unresponsive?Britt Brennan
Published on: 05/03/2026

What to do if someone has severe bleeding or stops breathing. A clear first aid guide from Britt at REACHAU on when to control bleeding and when to start CPR.

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The Deadly Beauty of the Blue-Ringed Octopus

The Deadly Beauty of the Blue-Ringed OctopusBritt Brennan Published on: 08/10/2025

The blue-ringed octopus is tiny, but its bite can paralyse and stop breathing. Why it is so dangerous, what to do if someone is bitten and how training helps.

Blue-ringed octopusdeadly marine animalsno antivenomtetrodotoxinmarine first aidreachau trainingemergency responseCPR training australia