10 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Cold AIHA • Alloimmune ... elliptocytosis - RBC ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... idiopathic) - Autoimmune ... • Intrinsic RBC ... #Causes #differential ... #diagnosis #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
↑ LDH • Anti-RBC ... 2) LOOK FOR a cause ... → Systematic screening ... Anemia #diagnosis #management ... #treatment #rheumatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... Treat primary cause ... hydration • RBC ... #treatment #management ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
lymphoma (DLBCL, intravascular ... solid cancers • Autoimmune ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
: Pneumonia • Autoimmune ... hemolytic anemia) • Systemic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
be any age) Autoimmune ... Hypocomplementemia • Can cause ... Nephrogenic DI Hematologic ... Sjogrens #Syndrome #Rheumatology ... #Diagnosis #Management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... Immunosuppression • Autoimmune ... platelets - WBC ... classification #hematology ... #oncology #management
TAFRO

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

TAFRO syndrome
mesothelioma, etc - Autoimmune ... cell lymphoma - Intravascular ... in LNs and the systemic ... TAFRO #diagnosis #management ... #rheumatology #
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... • Conduction system ... statins - probably caused ... Other Diseases: • PBC ... Myositis #Myopathy #rheumatology