10 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... heliotrope rash, Shaw sign ... , holster sign, ... Myositis #diagnosis #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... Inflammatory #Myopathies #differential ... diagnosis #comparison #rheumatology ... #table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... pain, such as MI ... #Pericarditis #Symptoms ... #Signs #Presentation ... #comparison #Table
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lack of UMN/LMN signs ... proximal weakness Myopathy ... • Autoimmune: ... EMG) studies • MRI
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... /symptoms or echo ... Predisposing conditions: Autoimmune ... heart valves • MRI ... Marantic #diagnosis #table
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... noninflammatory Signs ... constitutional symptoms ... Rheumatologic Disease ... #Joint #pain #Differential
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... in literature (NEJM ... them, but urgent rheumatology ... GCA #Temporal #Signs
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... RP-ILD), dermato-rheumatologic ... papules and Gottron sign ... ) • Shawl sign ... #rheumatology #
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
the spinal cord (Myelopathy ... cord compression (MRI ... • Bilateral signs ... and/or symptoms ... management #neurology #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... • Progressive symptoms ... oligoclonal bands • MRI ... #Diagnosis #Rheumatology