13 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Diagnosis Algorithm ... Thrombocytopenia ... • Steroids • Vasculitis ... #Diagnosis #Algorithm ... #Causes #Hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... involvement: Anti-GBM Disease ... #differential # ... diagnosis #algorithm ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... Cryoglobulinemia (MIXED) • ANCA ... #Diagnosis #hematology ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... - History of bleeding ... function test, ANA ... #Workup #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... Schistocytes, thrombocytopenia ... cardiac valve, vasculitis ... #Diagnosis #Algorithm ... #workup #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... occasional oligoclonal bands ... #Differential #Diagnosis ... #Rheumatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... • Severe Liver Disease ... #Coagulation #diagnosis ... causes #treatment #management ... #hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
on the left Myeloblast ... • Autoimmune diseases ... #Bandemia #differential ... #WBC #CBC #hematology ... #pathophysiology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Myeloproliferative disease ... Heparin-induced thrombocytopenia ... 19 - PNH - Vasculitis ... Venous #Arterial #pathophysiology ... #hematology #differential
TAFRO

TAFRO syndrome was first described in 2010, standing for:
- Thrombocytopenia
- Anasarca
- Fever
- Reticulin fibrosis
- Organomegaly

TAFRO syndrome
Sjögren’s syndrome, ANCA-associated ... vasculitis - Infectious ... cell lymphoma Pathophysiology ... Histopathological Diagnoses ... #management #rheumatology