Rapid diagnostic test for gram negative bacterial Meningitis is: (A) CSF - Latex agglutination, (B) Nasopharyngeal swab culture, (C) CSF - Culture, (D) Limulus amebocyte lysate assay
Answer is D. Limulus amebocyte lysate reacts with bacterial endotoxin lipopolysaccharide, which is a membrane component of gram - negative bacteria.