Exam 1 -- Rheumatology #4 Flashcards
What is the full name of lupus?
Systemic Lupus Erythematosus (SLE)
Which gender has a higher prevalence for lupus?
Female (9:1)
What is a typical age of onset for lupus?
20-40 years
Which ethnicities have a higher prevalence of lupus?
African and Caribbean (1 in 250)
Lupus can be caused by some medications. Which medication most commonly causes lupus?
Procainamide (anti-arrhythmia drug; sodium channel blocker)
True or false: some DMARDs can cause lupus
True.
What are some of the common symptoms of lupus?
Arthralgia, malar rash, fatigue, fever, weight loss, alopecia
What percentage of lupus patients experience arthralgia?
More than 90%
True or false: the arthralgia experienced in lupus is unilateral and deforming
False; it is bilateral and non-deforming
What percentage of lupus patients experience myalgia?
About 50%
What percentage of lupus patients experience malar rash?
More than 75%
True or false: symptoms of lupus can be exacerbated by UV light and also by stress
True.
What are some of the common skin-related symptoms of lupus (apart from the malar rash)?
Lesions on nails, urticaria (hives) and purpura, livedo reticularis (net-like appearance of BVs), palmar and plantar erythema, mouth ulcers, Raynaud’s phenomenon
Up to ___________% of lupus patients will have lung involvement.
50
What sort of lung involvement can a person with lupus experience?
Pleural effusion, chest pain, dyspnea
Up to ___________% of lupus patients will have heart issues.
25
What sort of heart issues can a person with lupus experience?
Heart attack, stroke, vasculitis, anemia
What percentage of lupus patients have kidney involvement?
50%
Kidney involvement with lupus is sometimes called what?
Lupus nephritis
How are lupus patients with kidney involvement monitored?
Urinalysis
What percentage of lupus patients have nervous system involvement?
20-80%
What sort of CNS symptoms could a patient with lupus experience?
Migraines, epilepsy, cerebellar ataxia, cognitive and mood disorders, memory loss
What might a brain MRI show in a patient with lupus, if they have nervous system involvement?
Increased white matter
Up to ___________% of lupus patients will have ocular involvement
30
What sort of ocular issues can a person with lupus experience?
Dry eye, optic neuritis, cranial neuropathies, episcleritis, scleritis, conjunctivitis, retinopathy
What testing can be performed to try and differentiate lupus?
CBC, ESR, CRP, urea/creatinine (from urinalysis, if renal involvement), ANA, anti-dsDNA Ig, anti-SM Ig
What percentage of lupus patients are ANA (+)?
95%
What percentage of normal patients are ANA (+)?
15%