11 results
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
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
Echinococcal Cysts ... Laboratory tests ... showed a normal ... Hydatid disease is caused ... by the echinococcus
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... • Immunologic Workup ... Discontinuation of causal ... 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 ... Positive in 60-80% of cases
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... may actually be normal ... Consider additional tests ... considered likely, the cause ... Hyponatremia #Diagnosis #Workup
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Autoimmune Vasculitis (lupus ... deficiency Work ... Fecal occult blood test
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
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... aldosterone - Often normal ... Insufficiency #Evaluation #laboratory ... endocrinology #workup
Vertebral Hydatidosis- Physical examination revealed impaired sensation in both legs and weak foot flexion. Laboratory tests
Laboratory tests ... 10,000) with a normal ... assay identified Echinococcus ... Echinococcus is ... Infection can cause
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 ... Discontinuation of causal