13 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... Test for celiac ... Non-invasive testing ... Gastrointestinal #Evaluation #workup
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... → Urinalysis >3 ... mimics, repeat testing ... #Workup #urology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... IgA deficiency (3% ... Celiac #Disease #Testing ... #Laboratory #Tests ... #Diagnosis #Workup
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 ... #Diarrhea #Workup ... #Management #Algorithm
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... Diabetes Insipidus Workup ... Uglucose Step #3 ... & desmopressin test ... #Sodium #nephrology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... hyperglobulinemia (3) ... more time for the laboratory ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
Solid Organ Transplant - Diarrhea - Diagnostic and Workup Algorithm
1st Tier Microbiologic Testing: CDiff (stool), CMV
Diagnostic and Workup ... Algorithm 1st Tier ... stool), Breath test ... Colonoscopy +/- EGD 3) ... #Algorithm
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... C3, C4 - Test for ... cryoglobulinemias (types 2 and 3) ... #glomerular #testing ... #workup #diagnosis
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... well plate. ✓ MIC 3) ... Gradient diffusion (E test ... concentrations + algorithms ... #laboratory #microbiology
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Disease - Diagnosis Algorithm ... deficiency affects 2%–3% ... pts need further testing ... Disease #Diagnosis #Algorithm ... gastroenterology #workup