3133 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
diarrhea before testing ... reduce unnecessary testing ... and then pick specific ... the much smaller differential ... Diarrhea #Algorithm #Testing
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders Testing ... INDICATIONS FOR TESTING ... or workup for specific ... indicated • For organ-specific ... Disorders #Algorithm #Differential
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
A/P, Consider testing ... of specific hormones ... celiac and/or testing ... TSH, Consider testing ... Workup #diagnosis #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... PCR nearly 100% specific ... of serum CrAg testing ... comparable to CSF testing ... CNS #Infections #differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
edema, Disease-specific ... symptomatology Differential ... RBCs) • Disease-specific ... testing: anti-ANCA ... Renal #Syndrome #differential
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
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
Pediatric Causes of Abdominal Pain

Surgical:
 - Acute appendicitis 
 - Intestinal obstruction including intussusception 
 -
Medical: - Non-specific ... Torsion of the testis ... Pediatrics #Causes #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
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