667 results
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... Results False Positive ... medication False Positive ... #OccultBlood #Testing ... FalseNegative #Diagnosis #Differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... Renal ultrasound, Tests ... conditions (supine position ... #Hypertension #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
Galactomannan Testing ... Specificity and False Positives ... the use of this test ... in BAL does not differentiate ... Galactomannan #Fungal #Testing
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... : - ANCA-positive ... Disease-specific testing ... , biopsy By Tess ... Renal #Syndrome #differential
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
• Pathergy test ... is positive if ... Ulceration • Pathergy testing ... • The test is ... Pathergy #diagnosis #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
dehydrogenase • Positive ... Coombs testing ... younger pts) Differential ... • Diagnostic Test ... Donath-Landsteiner test
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
i.e. more false positive ... tests) in older ... adjusted d-dimer testing ... pathophysiology #hematology #differential
Testing for Diabetes Type II
 - 
Hemoglobin A1c test
 - Random blood sugar test
 - Fasting
Testing for Diabetes ... Hemoglobin A1c test ... - Fasting blood ... sugar test - Oral ... Classification #Testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... reduce unnecessary testing ... pick specific tests ... the much smaller differential
Tuberculin Skin Test (Positive Mantoux Test) Result, Reading and Interpretation

#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation
Tuberculin Skin Test ... (Positive Mantoux ... Test) Result, Reading ... Tuberculin #SkinTest #TST ... GrepMed Recommended Text