12 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... and first-level screening ... #Testing #Laboratory ... #Tests #Diagnosis ... #Workup #Table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... and Screening Testing ... #Differential #Diagnosis ... #Causes #Screening ... #Workup #table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
by the screening ... will correctly diagnose ... a case, or the ... scores on the screening ... #Calculation #Table
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Screening Tests ... Screening Tests ... (to support a diagnosis ... #workup #diagnosis
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,
calcium-b) • Laboratory ... • Immunologic Workup ... 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
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
recommended for routine screening ... C3, C4 - Test for ... infections are common causes ... glomerular #testing #workup ... #diagnosis #glomerulonephritis