9 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Tests for Celiac ... disease - Test ... #Laboratory #Tests ... #Diagnosis #Workup ... #Table
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... • Additional laboratory ... Test for celiac ... disease with serology ... Gastrointestinal #Evaluation #workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... of renal disease ... • Renovascular disease ... #Differential #Diagnosis ... #Workup #table
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Tuberculosis: can cause ... insufficiency - Celiac ... Serum DHEAS Diagnosis ... #endocrinology ... #diagnosis #signs
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... #endocrinology ... #workup
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... Evolution: Chronic disease ... sle #comparison #table ... #rheumatology #diagnosis
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... high; in some cases ... free T4 low in a newborn ... #differential #diagnosis ... #endocrinology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... hallmark for the disease ... value is low, tests ... indirect antiglobulin tests ... #Workup #Hematology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... with previously stable ... Vasculitis • Endocrinologic ... Renal parenchymal disease