53 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
specificity - Falsely negative ... disease) - May be negative ... HLA-DQ8 - High negative ... Reflects response to treatment ... #Diagnosis #Workup
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
chronic kidney tests ... Test for celiac ... endoscopy only if: • Negative ... change medical management ... Gastrointestinal #Evaluation #workup
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... Direct antiglobulin test ... normal • DAT negative ... Differential #Diagnosis #Management ... #Algorithm #hematology
Tetralogy of Fallot Summary
 • Anatomy
 • Incidence
 • Pathophysiology
 • Presentation
 • Common Variants
 •
• “Blue” Tet Options ... palliation • Post-Op Management ... Fallot #diagnosis #management ... #cardiology #peds ... #pediatrics #treatment
Global Alliance algorithm to improve outcomes in acne.
†With small nodules (>0.5–1 cm).
‡Consider physical removal of comedones.
§Second
pregnancy, see text ... ††See text. alt. ... #Management #Dermatology ... PrimaryCare #Acne #Treatment
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 ... Breath test for ... above testing negative ... #Diarrhea #Workup
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup ... and Management ... Susceptibilities, Negative ... Additional metastatic workup ... #candidiasis #treatment
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... Microimmunofluorescent antibody test ... danger of aerosol) Treatment ... first line of treatment ... microbiology #diagnosis #management
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Diagnosis and Management ... spread of the Gram-negative ... the preferred test ... typically part of the workup ... • Test all patients
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Diagnosis and Management ... • Immunologic Workup ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... Usual therapeutic management