Rheumatology I Flashcards
What are autoimmune diseases?
Immune system recognition failure or malfunctions
What occurs during an autoimmune disease?
Antibodies and T cells produced and directed against self
What may initiate autoimmune disease? (5)
- Defect in immunological tolerance
- Presence of sequestrated antigen
- Infection e.g. viruses
- Drugs e.g. methyldopa
- Chemicals
Give 2 common risk factors associated with autoimmune disease
- Being Female
- Positive family history
Give 4 examples of non-organ specific autoimmune diseases
- Rheumatoid arthritis
- Systemic lupus erythematosus (SLE)
- Sjögren’s syndrome
- Systemic sclerosis
Give 4 examples of organ specific autoimmune diseases
- Pernicious anaemia
- Hashimoto’s thyroiditis
- Myasthenia gravis
- Diabetes Mellitus
What is another name for non-organ specific autoimmune diseases?
Connective tissue conditions
What occurs to ESR, CPR and Serum protein levels in autoimmune diseases?
They all raise
How are non-organ specific autoimmune diseases detected?
Non-specific antibodies found in serum and various tissues
Rheumatology is a branch of medicine concerned with the investigation, diagnosis and management of what? (3)
- Joint disorders
- Bone diseases
- Muscles and soft tissues diseases
What are the 5 main types of rheumatological diseases
- Inflammatory arthritis
- Connective tissue disease
- Metabolic bone disorders
- Musculoskeletal disorders
- Degeneratory arthritis
What is Rheumatoid Arthritis?
Chronic multisystem autoimmune disease characterised by autoantibody directed against IgG
What is the peak onset of Rheumatoid Arthritis?
Peak age of onset 35 – 50 years
What genotype is more susceptible to Rheumatoid Arthritis?
HLA-DR4 genotype
What affect can smoking have on Rheumatoid Arthritis?
Triggers and maintains joint inflammation
What are some systemic features of Rheumatoid Arthritis? (6)
- Early morning stiffness of affected joints
- Generalised afternoon fatigue
- Malaise
- Anorexia
- Generalised weakness
- Occasionally low-grade fever
Why are joints of patients with Rheumatoid Arthritis often held in flexion?
To minimise pain
What are flexion contractures?
Give 3 examples of these?
- Fixed deformities resulting from long periods of rheumatoid arthritis
- Ulnar deviation of the fingers
- Swan-neck deformities
- Boutonnière deformities
What are some pulmonary manifestations of Rheumatoid Arthritis? (3)
- Pulmonary fibrosis
- Pleurisy
- Pleural effusion
What are some cardiovascular manifestations of Rheumatoid Arthritis? (4)
- Pericarditis
- Myocarditis
- Vasculitis
- Valvulitis
What are some cervical spine manifestations of Rheumatoid Arthritis? (2)
- Atlantoaxial subluxation
- Spinal cord compression
What are some eye manifestations of Rheumatoid Arthritis? (3)
- Scleritis
- Uveitis
- Keratoconjuctivitis sicca
What 5 special investigations can be carried out to investigate Rheumatoid Arthritis?
- Serology
- Inflammatory markers
- Xrays
- Full blood count
- Protein electrophoresis
What findings will you get from serology if someone has rheumatoid arthritis? (2)
- Rheumatoid factor (RF) positive
- ACPA positive