Snake bite induced subarachnoid haemorrhage

Case contributed by Mr Andrew Murphy

Presentation

Post brown snake bite with reduced GCS

Patient Data

Gender: Male
CT

Inital imaging

Acute sub-arachnoid haemorrhage in both cerebral hemispheres sub-arachnoid blood distribution is atypical for aneurysmal rupture, likely to be secondary to venom anticoagulation. 

CT

Six hours post

Large progression of the sub-arachnoid and cerebral haemorrhage. There is now a mass effect of 5mm mid line shit to the right and diffuse sulcal effacement

Case Discussion

Venomous snake bites from species such as the Pseudechis (king brown) affect most components of the hemostatic system leading to rapid coagulopathy known as venom-induced consumptive coagulopathy 2-4.

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Case information

rID: 47109
Case created: 1st Aug 2016
Last edited: 11th May 2017
System: Head & Neck
Inclusion in quiz mode: Included

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