18 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
) General: Fever ... pain (20%) Renal disease ... (75%): Anemia ( ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... - Hemolytic anemia ... Lupusreference #SLE ... autoantibodies #signs ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - Hemolytic anemia ... mountain spotted fever ... #Diagnosis #hematology ... #rheumatology #
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
long (in days) it takes ... the peripheral blood ... Chronic kidney disease ... Production #Index #hematology ... #anemia #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Rheumatic fever ... , Rheumatic fever ... arteritis • Bloody ... #joint #pain #differential ... #diagnosis #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... genotypes): SS, SC, SE ... bartonella (oroya fever ... Algorithm #workup #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... plateletcount), peripheral blood ... test, ANA (e.g., SLE ... changes), high MCV anemia ... Causes #Workup #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... lymphopenia, low PLT • Anemia ... to: Arthritis, Fever ... Erythematosus #Diagnosis #Rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Immunoglobulin M (IgM) • Blood ... younger pts) Differential ... sensitize red blood ... Symptoms: High fevers ... #hematology #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
of peripheral blood ... • Autoimmune diseases ... tachycardia or fever ... #differential # ... neutrophil #WBC #CBC #hematology