Ottawa SAH Rule – Peripheral Brain

This rule serves as a method to screen out individuals with low likelihood of aSAH. Patients who present with severe headache and meet any of the criteria listed may need additional testing. This rule has 100% sensitivity but only 15.3% specific, and can therefore identify the subset of patients who are unlikely to have aSAH.…

JC: Ottawa SAH Rule

Subarachnoid hemorrhage - Knowledge @ AMBOSS

JC: Ottawa SAH Rule

External validation for sensitivity of the Ottawa subarachnoid

Spontaneous subarachnoid haemorrhage - The Lancet

Validation of the Ottawa SAH Rule - EMOttawa Blog

PDF) Sensitivity of computed tomography performed within six hours

Adding eosinophil count to EMERALD rules predicts subarachnoid

The Neurologic Patient