17 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
testing (TST) False-negative ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #Workup ... #InfectiousDiseases
Legionnaire's Disease - Extrapulmonary organ involvement: CNS: Mental confusion, encephalopathic, headache. Cardiac: Relative bradycardia. GI: Loose
Cardiac: Relative ... Diagnosis #IM #InfectiousDisease ... Legionnaires #Legionella #Algorithm
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
memory, can have negative ... ‏ #Diagnosis #InfectiousDiseases ... #Subclinical #Active
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... above testing negative ... #Diarrhea #Workup ... #Management #Algorithm
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
surgery, trauma, active ... - No other workup ... Hypercoagulable #Workup ... hematology #diagnosis #algorithm
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... microbiological techniques Work-up ... #differential #workup ... #infectiousdiseases
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... Tubular Proteinuria (Negative ... albuminuria) - Active ... Differential #Diagnosis #Algorithm
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... typically part of the workup ... #Microbiology #InfectiousDiseases
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
with passive AND active ... viral arthritis Workup ... staphylococcus, gram negative ... arthritis in sexually active
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Thrombocytopenic Purpura Activity ... factor-cleaving protease activity ... for this enzyme activity ... antiglobulin tests - Negative ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup