Venous Ammonia: Sensitivity and Specificity
Introduction:
None written. Excerpt from the entry in Hepatic Encephalopathy:
ammonia > upper limit of normal. in cirrhotics
ammonia > upper limit of normal. in cirrhotics
Note that in this study, all patients with acute liver failure had ammonia levels > upper limit of normal. However, ammonia levels did correlate with grade of HE (r=.91).
Associated Diagnoses:
37.5% sensitive, 67.3% specific