Evaluate The Diagnostic Yield Of LPs In Patients Undergoing Emergency Department
A study mentions that patients presenting with acute non-traumatic headache concerning for subarachnoid hemorrhage (SAH) undergo lumbar puncture (LP) when non-contrast head computed tomography (CT) is negative. The diagnostic yield of this approach is unknown. Aneurysmal SAH despite being a low incidence condition is associated with a high rate of mortality and morbidity. Moreover, missed SAH is a common concern among emergency providers.