15 results
Ammonia Levels & Hepatic Encephalopathy in Patients with Chronic Liver Disease 
Choosing Wisely: Things We Do
Chronic Liver Disease ... ammonia-levels-and-hepatic-encephalopathy-patients-known #Ammonia #Testing ... HepaticEncephalopathy #TWDFNR #Diagnosis ... Hepatology #EBM #VisualAbstract ... #ChoosingWisely
FOBT Testing in Hospitalized Patients with Upper GI Bleed 
Choosing Wisely': Things We Do For No
FOBT Testing in ... #OccultStool #Testing ... #ChoosingWisely ... LGIBleed #TWDFNR #Diagnosis ... #VisualAbstract
Ohle R et al. Clinical Examination for Acute Aortic Dissection: A Systematic Review and Meta-analysis. AEM
Dissection #Aorta #Testing ... #Sensitivity #Specificity ... #SGEM #VisualAbstract ... #EBM #Diagnosis
Accuracy of abdominal ultrasound for the diagnosis of small bowel obstruction in the emergency department

https://www.ncbi.nlm.nih.gov/pubmed/30181794

Our data
ultrasound for the diagnosis ... of 93.8% and a specificity ... sensitivity of 94.3% and specificity ... #Accuracy #Testing ... Abdominal #Ultrasound #VisualAbstract
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... sensitivity and specificity ... sensitivity and specificity ... #Testing #Laboratory ... #Tests #Diagnosis
COVID19 Testing - PCR vs CT - Sensitivity and Specificity

Original Data via https://pubs.rsna.org/doi/full/10.1148/radiol.2020200642

Admission laboratory patterns in
COVID19 Testing ... Sensitivity and Specificity ... #Sensitivity #Specificity ... #SARSCoV2 #Diagnosis ... #Coronavirus #VisualAbstract
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Demyelinating disease ... of serum CrAg testing ... comparable to CSF testing
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Sensitivity & Specificity ... 96% - Higher specificity ... colonization vs invasive disease ... Frozen ice-pops (in setting ... Galactomannan #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... - CCP antibody testing ... has higher specificity ... (to support a diagnosis ... laboratory #workup #diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
group without disease ... Specificity (rule ... FN) Higher specificity ... probability of getting ... #calculations #diagnosis