Rheum Flashcards
Causes of additive arthritis
OA, RA
Causes of migratory arthritis
Gonococcal, rheumatic fever
Causes of intermittent arthritis
Gout, Pseudogout, SLE
Which diagnosis? Pencil in cup deformity
Psoriatic arthritis
Which diagnosis? Squaring of vertebral bodies, enthesophytes
Ankylosing spondylitis
Which diagnosis? Associated with uveitis, conjunctivitis, oral ulcers
Reactive arthritis
Which diagnosis? Positively birefringent crystals
CPPD
Target uric acid level on allopurinol
<6
Which diagnosis? Associated with painless pustular lesions
Gonococcal arthritis
Tx septic arthritis: staph/strep (3)
nafcillin, oxacillin, cephazolin
Tx septic arthritis: Neisseria
Ceftriaxone (+ azithromycin for chlamydia)
Tx septic arthritis: Pseudomonas
3rd-4th cephalosporin + aminoglycoside
Tx septic arthritis: culture negative
3rd-4th cephalosporin +/- vancomycin
Tx RA First-line
Methotrexate
C/I Methotrexate (3)
Liver disease, lung disease, immunosuppression
Tx RA Second-line
Hydroxychloroquine, Leflunomide, Sulfasalazine
MOA Methotrexate
Folic acid antimetabolite
Tx RA exacerbations (2)
NSAIDs, steroids
Lupus Mucocutaneous (4)
Malar, discoid, mouth ulcers, photosensitivity
Lupus Internal Findings (4)
Pleuritis/pericarditis, renal disease, seizures, arthritis
Lupus Lab criteria
Antibodies, ANA, Hematologic
Lupus antibodies
Anti-smith, anti-dsDNA, anti-phospholipid
Dx Antiphospholipid Syndrome
1 Clinical + 1 Lab
Antiphospholipid syndrome clinical criteria (2)
Recurrent pregnancy loss, thrombosis
Antiphospholipid syndrome lab criteria (3)
Lupus anticoagulant, Anticardiolipin antibody, Beta-2-glycoprotein 1 antibody
Dx Ankylosing Spondylitis
MRI SI Joint
Tx Ankylosing Spondylitis
TNF-alpha Inhibitors
TNF-alpha Inhibitors (3)
Infliximab, etanercept, adalimumab
Which diagnosis? acute lower extremity arthritis, usually resolving within 4-6 months
Reactive Arthritis
Tx reactive arthritis
NSAIDs (first-line)
Tx Axial enteropathic arthritis or psoriatic arthritis
TNF-alpha Inhibitors
Tx Psoriatic arthritis
MTX
Polymyositis/Dermatomyositis Antibodies (3)
Anti-Jo1, Anti-Mi-2, Anti-SRP
Tx Poly/Dermatomyositis (Acute)
Prednisone
Tx Poly/Dermatomyositis (Maintenance) (2)
MTX or azathioprine
CREST
Calcinoshs, Raynaud, Esophageal Dysmotility, Sclerodactyly, Telangiectasias
Scleroderma Antibodies
Anti-Scl-70 (topoisomerase 1)
Which diagnosis? Red sclerae, enlarged parotid glands, periodontal disease
Sjogren Syndrome
Dx Sjogren Syndrome
Salivary Gland Biopsy
Tx Sjogren Syndrome
Parasympathomimetics (pilocarpine, cevimeline
Tx Fibromyalgia (first-line)
Exercise, CBT
Which diagnosis? Anti-U1-RNP
Mixed Connective Tissue Disease
Which diagnosis? spiking fevers, arthralgias, salmon-colored rash
Adult Onset Still Disease
Dx Giant cell arteritis
Temporal artery biopsy
Tx Giant cell arteritis
Steroids (even before biopsy)
Which disease? Claudication, vascular bruits, and aortic regurgitation in young women
Takayasu Arteritis
Which disease? Necrotizing vasculitis leading to aneurysm formation; presenting with mesenteric ischemia, muscle pain, renal disease, and skin findings
Polyarteritis Nodosa
Dx Polyarteritis Nodosa
Aneurysms on imaging, biopsy
Which disease? upper respiratory tract, lower respiratory tract and renal involvement?
Granulomatosis with Polyangiitis
Antibody in Granulomatosis with Polyangiitis
c-ANCA
Tx Granulomatosis with Polyangiitis
Steroids, cyclophosphamide
Which disease? asthma, allergic rhinosinusitis, glomerulonephritis, mononeuritis multiplex
Eosinophilic Granulomatosis with Polyangiitis
Tx Eosinophilic Granulomatosis with Polyangiitis
Steroids, cyclophosphamide
Which disease? Glomerulonephritis, pulmonary hemorrhage, palpable purpura, arthralgias/myalgias
Microscopic Polyangiitis
Tx Microscopic Polyangiitis
Steroids, cyclophosphamide
Labs in cryoglobulinemia
+RF, C4 decrease out of proportion to C3
Tx Cryoglobulinemia (3)
Steroids, rituximab, plasma exchange