Articles on Medical Diseases and Conditions

Pressure Reference values for cerebrospinal fluid (CSF) pressure are 100-200 mm H2O. Elevations are due to increased intracranial pressure. The two most common causes of elevated CSF pressure are meningitis and subarachnoid hemorrhage. Brain tumor and brain abscess will cause increased intracranial pressure in most cases but only after a variable period of days or […]

Gram staining provides a presumptive diagnosis and some indication of the organism involved without waiting for culture results. On occasion, Gram stain may reveal organisms that (for technical reasons) do not grow when cultured. Best information comes from areas that are normally sterile. Gram staining is considered a routine procedure for CSF in possible meningitis, […]