• Andrew Rogers, Jeremy Furyk, Colin Banks, and Kevin Chu.
• Emergency Department, The Townsville Hospital, Townsville, Queensland, Australia.
• Emerg Med Australas. 2014 Oct 1;26(5):468-73.

ObjectiveThis study aims to establish current practice among Australasian emergency physicians and trainees on several aspects of the investigation of suspected subarachnoid haemorrhage (SAH).MethodsAn electronic questionnaire (SurveyMonkey™) was distributed to emergency physicians and trainees by email through the ACEM. Survey recipients were asked about demographics, followed by a series of questions relating to the investigation of SAH.ResultsThere were 878 survey respondents (response rate 24%). Our data showed that 47.3% of respondents agreed or strongly agreed that a CT brain within 6 h of headache onset is sufficient to exclude a diagnosis of SAH. For a CT performed within 12 h of ictus, 14.4% were satisfied that SAH could be excluded. After a negative CT scan, for further investigation of SAH, 88% of respondents preferred lumbar puncture to CT angiography. For detection of xanthochromia in the cerebrospinal fluid, 57.7% of respondents felt that spectrophotometry (vs visual inspection) is necessary to accurately diagnose SAH.ConclusionsA range of information was collected regarding the investigation of suspected SAH. We report significant differences in the diagnostic approach of Australasian emergency physicians and trainees to this condition, in particular the utility of CT within 6 h for exclusion of SAH.© 2014 Australasian College for Emergency Medicine and Australasian Society for Emergency Medicine.

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