11 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
- High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... #Disease #Testing ... #Laboratory #Tests
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... • Additional laboratory ... Test for celiac ... Non-invasive testing ... Gastrointestinal #Evaluation
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... - Evaluation of ... then go to stim testing ... Standard Stim test ... normal adrenal function
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Tests in the Evaluation ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Acromegaly Testing Algorithm
INDICATIONS FOR TESTING:
 • Adults – enlarged facial or acral features, abnormal musculoskeletal growth
Acromegaly Testing ... Algorithm INDICATIONS ... gland and consider evaluation ... other pituitary functions ... #Algorithm #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
- CCP antibody testing ... but lower sensitivity ... more time for the laboratory ... including liver function ... Rheumatoid #Arthritis #laboratory
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... indicate the initial evaluation ... history alongside evaluation ... decision for repeat testing
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Diagnosis Algorithm ... IgA TTG has high sensitivity ... serologic marker for evaluating ... pts need further testing ... -A negative test
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Differential Diagnosis Algorithm ... • Vanishing Testes ... Syndrome • Absent Testes ... Hypothalamic: • Functional ... (e.g. eating disorder
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... Gradient diffusion (E test ... concentrations + algorithms ... #Antibiotic #Sensitivity ... #laboratory #microbiology