8 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... Detectable HIV viral ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
vomiting, abdominal pain ... Antithrombin Ill • Ultrasound ... infiltration) Differential ... Diagnosis: Viral ... #obstetrics #obgyn
Approach to Joint Pain

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... lesions • Severe pain ... deficiency Work ... • Abdominal ultrasound
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... - Diagnostic Framework ... #rheumatology # ... approach #workup ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... claudication, visual ... tract: Abdominal pain ... involvement, abdominal pain ... #Diagnosis #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... Arthritis: • Joint pain ... #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... RP-ILD), dermato-rheumatologic ... • Proximal + distal ... #Myopathy #rheumatology ... #differential #