34 results
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... , Rheumatoid Vasculitis ... Felty's Syndrome (RA ... #RA #diagnosis ... #rheumatology #signs
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Scleritis - RA ... Nodules • RA ... , Vasculitis (e.g ... #differential #diagnosis ... #rheumatology
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
, Hemolytic anemia ... : Hemoglobin H disease ... , Sickle cell, MDS ... Inclusions #Bodies #diagnosis ... #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... ANCA associated vasculitis ... (RA), Systemic ... #Differential #Diagnosis ... #rheumatology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, MDS, Chemotherapy ... Microangiopathic Hemolytic ... Cold autoimmune hemolytic ... #differential #diagnosis ... #hematology #microscopy
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... cardiac valve, vasculitis ... #Anemia #Differential ... #workup #hematology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Secondary: CTD: SLE, RA ... : • Temporal arteritis ... : • Behcet Disease ... differential #diagnosis
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... , CKD • Hemolytic ... Non-megaloblastic: Liver disease ... Reticulocytosis, MDS ... #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Hypersensitivity vasculitis ... gangrenosum • IBD • RA ... Antiphospholipid-antibody syndrome • Vasculitis ... #differential #diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
blood loss, Acute hemolysis ... , deficiency anemia ... Rheumatologic, Vasculitides ... , IBD, Celiac disease ... ATRA, TPO, TPO-RA