10 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... erythematosus ( ... tissue disease ... Kumfer @AnnKumfer #Antinuclear ... rheumatology #diagnosis #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... erythematosus ... #dermatology ... #rashes #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... erythematosus ( ... : Lupus (SLE), Systemic ... Kumfer @AnnKumfer #Antinuclear ... rheumatology #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Classification: ... permanent alopecia Differential ... Arthritis: • Joint ... arthropathy • 90% joints
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... with Systemic Lupus ... Erythematosus ( ... SLE), should have ... Disorders #msk #Differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Vaso-occlusive ... dz difficult to see ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... erythematosus, ... reactions, and vaso-occlusive ... vasculitis, and SLE ... #rheumatology #classification
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
of the affected joint ... • Systemic lupus ... erythematosus ( ... SLE) - Antinuclear ... • Sacroiliac joint
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
: syßtemic lupus ... erythematosus ( ... SLE), sickle cell ... #Hyperkalemia #Differential ... High #Potassium #Classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, such as SLE, atherosclerotic ... , and vaso-occlusive ... ischemia • Skin: Erythematous ... vesicular eruption • Joints ... Palpable purpura, joint