12 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... of Iron Deficiency ... • Additional laboratory ... Gastrointestinal #Evaluation ... #workup #diagnosis
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... Tests - Prolonged ... #APTT #Laboratory ... Hematology #Diagnosis #Workup
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Chronic Disease - Laboratory ... if above normal ... Ferritin-best non-invasive test ... Chronic #Disease #Laboratory ... Testing #Comparison #Table
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Diagnostic Testing and Evaluation ... Frequency obtained - Abnormal ... Cost - Cost per test ... Syncope #diagnosis #workup ... Effectiveness #table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
negative with IgA deficiency ... patients with IgA deficiency ... patients with IgA deficiency ... Disease #Testing #Laboratory ... #Workup #Table
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Algorithm Step ... may actually be normal ... Consider additional tests ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Often normal ... pituitary) and deficiency ... Insufficiency #Evaluation ... #laboratory #diagnosis ... endocrinology #workup
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... in the Evaluation ... • Low TSH, Low normal ... Hyperthyroidism: Work-up ... Hyperthyroidism #algorithm
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... • Immunologic Workup ... versus DIL • Laboratory ... • Immunologic Workup ... sle #comparison #table
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Clotting factor deficiency ... - Abnormal clotting ... Work Up: • ... Fecal occult blood test