9 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
population who are ... Specificity is the ... #Sensitivity #Specificity ... #PositivePredictiveValue ... #NegativePredictiveValue
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
increase with age ... can cause a ↓ specificity ... Specificity can ... ) the specificity ... pathophysiology #hematology #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Multiple infections are ... at 50–90%, but specificity ... 80–90%, and a specificity ... CNS #Infections #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... and meningismus are ... sensitivity and specificity ... sensitivity and specificity ... CNS #Infections #differential
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
calcifications which are ... pathology (i.e. lower specificity ... Differential diagnosis ... tenosynovitis: Differentiate
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Assists in liver specificity ... NT) - If both are ... chemistry #diagnosis #differential
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Assists in liver specificity ... NT) - If both are ... injury #hepatitis #differential
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Testing Sensitivity Specificity ... 96% • Higher specificity ... Galactomannan Ag ... in BAL does not differentiate
Pathergy Summary Overview

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