15 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
acute rheumatic fever ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... • Rheumatic fever ... #differential # ... diagnosis #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... , Fever, No muscle ... Diffuse muscle pain ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Hyperthyroidism Fever ... • Rheumatic fever ... SLE, Rheumatic fever ... • New murmur, fever ... #pain #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... - Autoimmune Rheumatologic ... • Rheumatic fever ... streptococci (rheumatic fever ... #pain #Differential
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... pain (especially ... the face (many differential ... 9) Unexplained fever ... erythematosus #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Red Flags: • Fever ... lesions • Severe pain ... deficiency Work ... • Abdominal ultrasound
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
Myasthenic Crisis Checklist ... X-ray and lung ultrasound ... Phos), CBC with differential ... - Infectious workup ... or TSH level if
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
and branches • Fever ... vesicular eruption • Joints ... Coronary arteries • Fever ... Palpable purpura, joint ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... vesicular eruption - Joints ... Coronary arteries - Fever ... Vasculitis: • Fevers ... #diagnosis #rheumatology