13 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... Rheumatica • Pain ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... - Differential ... Diagnosis Algorithm ... Fibromyalgia • Myositis ... #Diagnosis #Algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... Dermatomyositis Erythema chronicum ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... sulfa-drug - Skin pain ... #Dermatology #Rash ... #Differential # ... Ddxof
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
: • Acute or chronic ... #Pain #MSK #rheumatology ... #approach #workup ... #differential # ... diagnosis #arthritis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... lesions • Severe pain ... deficiency Work ... Diagnosis #Algorithm
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... pancreatitis), joints ... , extremities (ischemia ... lymphadenopathy, pleuritic pain ... #Algorithm #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... Eosinophilia, asthma, chronic ... vesicular eruption - Joints ... - Rash, arthritis ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
vesicular eruption • Joints ... • Rash, arthritis ... Eosinophilia, asthma, chronic ... Palpable purpura, joint ... #Diagnosis #Rheumatology