61 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection Malar ... rash • SLE ... infection • Lyme ... Hypersensitivity vasculitis ... differential #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • B12 ... Autoimmune • ITP • SLE ... HUS • DIC • Vasculitis ... • Infection ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... , Vasculitides, ... IBD, Celiac disease ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... ) - Viral infections ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... Clinical manifestations ... neuropathy Treatment ... with refractory disease ... #Rheumatology #
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Secondary: CTD: SLE ... , infections, drug ... : • Behcet Disease ... #skin #dermatology ... #rheumatology #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Framework Non-Infectious ... Aortitis: • Vasculitides ... ANCA associated vasculitis ... erythematosus (SLE ... Differential #Diagnosis #rheumatology
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
Nodosa (PAN) - Vasculitis ... Management Algorithm ... • Non-Severe Disease ... #Management #Treatment ... #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Differential Diagnosis Algorithm ... Inflammation, Chronic Infection ... (>100 fL) • B12 ... Differential #Diagnosis #Algorithm ... #Causes #Hematology