9 results
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
sensitivity or specificity ... despite having a specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Graph
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
between sensitivity/specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Relationship #Graph
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
) was 0.80 and specificity ... Thus, further testing ... Hypercalcemia #Workup #Differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... at 50–90%, but specificity ... of serum CrAg testing ... comparable to CSF testing ... CNS #Infections #differential
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
have almost 100% specificity ... require Cosyntropin testing ... Step 3) Differentiate
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
can cause a ↓ specificity ... Specificity can ... yrs of age) the specificity ... adjusted d-dimer testing ... pathophysiology #hematology #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Sensitivity & Specificity ... 96% - Higher specificity ... Sensitivity & Specificity ... BAL GM does not differentiate ... Frozen ice-pops (in setting
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... Sensitivity Specificity ... 96% • Higher specificity ... in BAL does not differentiate ... Galactomannan #Fungal #Testing
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
Ulceration • Pathergy testing ... • 97% specificity ... Pathergy #diagnosis #differential