10 results
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 ... : Work-up similar ... #algorithm #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
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
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... CRP - Usually normal ... • Immunologic Workup ... versus DIL • Laboratory ... • Immunologic Workup
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... versus DIL • Laboratory ... - CRP: Usually normal ... • Immunologic Workup ... management of SLE • Evolution
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Disease: Discoid lupus ... Scarring Alopecia: Lupus ... • Endocrine: Hypothyroidism ... Tests: • TSH ... evaluation for
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Often normal ... Insufficiency #Evaluation ... #laboratory #diagnosis ... endocrinology #workup
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... Evaluation for ... value is low, tests ... indirect antiglobulin tests ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... deficiency - Abnormal ... Autoimmune Vasculitis (lupus ... deficiency Work ... Fecal occult blood test
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
Drug Induced Lupus ... calcium-b) • Laboratory ... CRP - Usually normal ... • Immunologic Workup ... cutaneous-DIL • Evolution