9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
syndrome • Vasculitis ... • Cholesterol emboli ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - PNH - APLS ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
lesions • Severe pain ... - APLS - HIT ... - Cholesterol embolism ... deficiency Work ... cryoglobulins • Skin
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Diagnosis Framework ... Testosterone - Coumadin skin ... • Nephrotic Syndrome ... Malignancy - Antiphospholipid ... pathophysiology #hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Chorea - Antiphospholipid-antibody ... Scleroderma Thickened skin ... arteritis #Extrarticular ... #differential # ... diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

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

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Arthritis: • Joint pain ... • Libman-Sacks endocarditis ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... Diagnosis: Systemic ... scleritis • Palpable ... -> causing palpable ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... ) • Anti-Mi2 (skin ... Symptoms: • Gottron rash ... • Conduction system ... Myositis #Myopathy #rheumatology