17 results
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
either a clotting factor ... factor activity ... Study #diagnosis #hematology ... #pathophysiology ... #hematology #laboratory
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... #APTT #Laboratory ... #Hematology #Diagnosis ... #Workup
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Destruction • Abnormal ... Congenital • Factor ... Deficiency • Factor ... #Causes #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... venipuncture sites Laboratory ... Treat primary cause ... Coagulation #diagnosis #causes ... treatment #management #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... deficiency - Abnormal ... deficiency Work ... #Causes #dermatology
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 ... • Immunologic Workup ... druginduced #lupus #sle #comparison
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
patientsl • Risk factors ... without other cause ... patients • Risk factors ... Transfusion #Reactions #hematology ... #diagnosis #comparison
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... von Willebrand factor-cleaving ... decrease in most cases ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
versus DIL • Laboratory ... - CRP: Usually normal ... • Immunologic Workup ... Positive in 60-80% of cases ... Management #Summary #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Idiopathic • Normal ... differential #diagnosis #algorithm ... #rheumatology