31 results
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
): X-ray features ... together) • Joint ... closer to the joints ... (Joint deformities ... Radiology #Clinical #Pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis (RA ... Pathogenesis and Joint ... diseases features • RA ... RheumatoidArthritis #RA ... #pathophysiology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... 3) Number of Joints ... mycobacterial), RA ... • Chronic = RA ... #rheumatology #
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
points = definite RA ... Joint Involvement ... : 1 large joint ... , +/- large joints ... Classification #rheumatology
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
 -
Pathophysiology ... - Defects in RBC ... - Defects in RBC ... environment #Pathophysiology ... Hemolytic #Anemia #hematology
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
the DIP and PIP joints ... the PIP and MCP joints ... but not the DIP joints ... PIP + Wrist = RA ... hand #diagnosis #rheumatology
Telescoping Fingers on Physical Exam

A 69-year-old woman with rheumatoid arthritis presented for the treatment of severe
treatment of severe joint ... #PhysicalExam #RA ... Clinical #Video #Rheumatology
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
soft tissue and joints ... Arthritis of DIP joints ... polyarthritis (like RA ... destructive) • X-ray ... PsoriaticArthritis #pathophysiology
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
crystals from joints ... ultrasound and/or x-ray ... warm, swollen joint ... sclerosis & cysts, joint ... Signs #Symptoms #Pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
of the shoulder joint ... ligaments and joint ... on axillary x-ray ... tendons, ligaments, joint ... #orthopedics #pathophysiology