6 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint Pain ... or nerve root Symptoms ... #MSK #rheumatology ... #approach #workup ... #differential #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... assay (IFA) is the main ... context of other symptoms ... ANA #patterns #rheumatology ... #diagnosis #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... lesions • Severe pain ... deficiency Work ... of antinuclear antibodies ... #physicalexam
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Malignancy (e.g. hematologic ... : • Joint pain ... Induced Lupus: • Symptoms ... 1, SCL-70, RNP antibodies
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Presentation - Systemic Symptoms ... , testes -> pain ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... substantial muscle pain ... : • Muscle pain ... • Nonerosive arthritis ... #differential #