15 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
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
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... Diabetes Insipidus Workup ... & desmopressin test ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
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)
Diagnosis and workup ... deficiency, ... laboratory ... tests + imaging ... Alzheimer - 1st cause ... Dementia - 2nd cause
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... Positive Hallpike test ... or supine roll test ... Positive head impulse test
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
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Water Deprivation Test ... Water Deprivation Test ... #Polyuria #Nephrology ... #Causes
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