Hmmm... not the best spot to be bitten that's for sure.
This might give you a clue, but it's not Australian...
This overview discusses the clinical features and treatment of snakebites in Kentucky and nearby regions. Victims may suffer a wide range of symptoms ranging from local irritation with the dry bite (no envenomation), to life threatening systemic toxicity necessitating antivenin administration. The fatality rate is surprisingly low. The greatest challenge in treating these patients centers on the decision to give antivenin.
