11 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
erythematosus ... (eg, systemic juvenile ... lupus erythematosus ... #Diagnosis #Management ... #Hematology #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Diagnosis Framework ... , Cogan's Syndrome ... (RA), Systemic ... lupus erythematosus ... #Diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Systemic Lupus ... Erythematosus ... Sicca) Syndrome ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Non-autoimmune rheumatologic ... #Diagnosis #Rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Lupus Erythematosus ... Demyelinating Syndrome ... Cerebrovascular Disease ... autoantibodies that will cause ... CNS #neurology #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
, leading to the ... • Autoimmune diseases ... erythematosus ( ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Diagnosis: Systemic ... lupus erythematosus ... #diagnosis #rheumatology ... #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Diagnosis: • Systemic ... ischemia • Skin: Erythematous ... tract, and often causes ... #Diagnosis #Rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... frequently affected systems ... : neuro, heme (bleeding ... Better call hematology ... #workup #hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
#Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential # ... diagnosis #arthritis