12 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
disease) - May be negative ... HLA-DQ8 - High negative ... Reflects response to treatment ... Disease #Testing #Laboratory ... #Workup #Table
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... Laboratory Diagnosis ... blood cultures should ... typically part of the workup ... #Microbiology #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... these bacteria should ... BCNIE #Causes #differential ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... should be obtained ... ANAs; thus, a negative ... more time for the laboratory ... #workup #diagnosis
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
• Some false negative ... with response to treatment ... relapse No specific laboratory ... tests: • IgG4 ... management #phenotypes #workup
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
trend response to treatment ... immunodiffusion test ... Culture (ElA may be negative ... Coccidioides #Diagnosis #workup ... #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... microbiological techniques Work-up ... these bacteria should ... Endocarditis #diagnosis #differential ... #workup #infectiousdiseases
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... - Negative, ruling ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... perfusion - shock->treatments ... - assess other laboratory ... or diagnostic tests ... before beginning treatment
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
NMO-IgG (anti-AQP4) should ... tested and if negative ... , MOG-IgG test should ... Transverse Myelitis Treatment ... management #neurology #differential