31 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... first-level screening test ... Disease #Testing #Laboratory ... #Workup #Table
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... Abnormal Coagulation Tests ... DrEricStrong #Algorithm ... Abnormal #APTT #Laboratory ... Hematology #Diagnosis #Workup
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibody (ANA) test ... ; if positive, test ... ANA and RF (if clinical ... #workup #diagnosis
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... dexamethasone suppression test ... #table
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... CRH stimulation test ... - Serum tests that ... Insufficiency #Evaluation #laboratory ... endocrinology #workup
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
1) Clinical ... deficiency, ... laboratory ... tests + imaging ... Alzheimer - 1st cause ... Dementia - 2nd cause
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... vertigo Diagnostic tests ... - Ice cube test ... , TempTest test
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
FUO) - Further Workup ... Returning Traveler’ algorithm ... Test for the respective ... node biopsy • Clinical ... UnknownOrigin #workup
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... decrease in most cases ... indirect antiglobulin tests ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup