37 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... C3 positive or negative ... mediated - DAT: IgG negative ... Pathophysiology #diagnosis ... #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... - Differential Diagnosis ... AIHA (7-8%) DAT-negative ... #Differential #Diagnosis ... #Table #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Autoimmune Hemolytic Anemia ... Autoimmune Hemolytic Anemia ... Autoimmune Hemolytic Anemia ... Mycoplasma, HIV, EBV ... #hematology #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
to Kidney: Anti-GBM ... involvement: Anti-GBM ... Pauci-immune mediated (Negative ... #differential #diagnosis ... #algorithm #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... workup, including BM ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... #Differential #Diagnosis
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
Ultrasound for Diagnosis ... POCUS is more accurate ... POCUS has a negative ... LikelihoodRatios #Accuracy #Diagnosis ... VisualAbstract #EBM
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... in bone marrow (BM ... under 2%, then BM ... #Algorithm #Diagnosis ... #Workup #Hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Toxic injury to BM ... Parvovirus B19 - EBV ... Epstein-Barr virus (EBV ... #oncology #hematology ... #diagnosis #management
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
Arthritis - 2020 ACR-EULAR ... at least 1): Negative ... RF, negative anti ... Rheumatoid #Arthritis #diagnosis ... #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemia • Cold ... for anti-C3d and negative ... - Mycoplasma, EBV ... #hematology #diagnosis