12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... deficiencies - PNH ... gangrenosum • Bacterial ... #Differential #Diagnosis ... #hematology #rheumatology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... - Differential Diagnosis ... artery aneurysm: Causes ... neoplasms - PNH ... #clots #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Differential Diagnosis ... coagulation and other causes ... of purpura fulminans ... pathophysiology #hematology ... #differential #diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... thrombocytopenic purpura ... hemoglobinuria (PNH ... #hematology #anemia
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
syndrome • Coronary arteries ... Polyangiitis): • Eosinophilia ... tract, and often causes ... Thrombosis and arterial ... #Rheumatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Petechiae • Purpura ... Treat primary cause ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Skin necrosis • Purpura ... cryoglobulins • Negative causes ... to medium-sized arteries ... #rheumatology # ... hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... tract, and often causes ... syndrome - Coronary arteries ... Thrombosis and arterial ... #rheumatology #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
lesions, palpable purpura ... Vascular Disease: Arterial ... artery aneurysms Diagnosis ... ) Differential Diagnosis ... signs #symptoms #rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... count ↑ PLT • ↑ PBS ... • (Peripheral eosinophilia ... #Leukemia #Hematology ... #Oncology #Diagnosis