Rheumatology Flashcards
(38 cards)
What HLA subtype is associated with RA?
HLA-DRB1
What ocular manifestations are associated with RA?
Keratoconjunctivitis sicca
Peripheral ulcerative keratitis
Scleromalacia perforans
What timeframe can RF and anti-CCP predate onset of RA?
15 years
What is the chance of developing RA is a sibling and identical twin have RA?
Sibling - 5%
Twin - 15%
Which joints are excluded in the ACR criteria for diagnosis of RA?
DIP, first CMC, first MTP (all commonly affected by OA)
What score on the ACR criteria is required for RA diagnosis?
6 or greater
What fields are included in the ACR criteria?
Joints involved, RA markers (RF, ACPA), duration of symptoms (more or less than 6 weeks), acute phase reactant levels (ESR/CRP)
What is the most useful initial imaging technique for RA?
XR hands and feet
What is the earliest sign on XR for RA?
Periarticular osteopaenia
What are the most sensitive imaging modalities for RA?
USS and MRI
What is first line therapy for RA?
Methotrexate
What dose of prednisolone should be aimed for ASAP in patients with RA flares?
<7.5mg/day
What is the mechanism of action of tofacitinib?
JAK 1, 2, 3 inhibitor
What major infective complication of JAK inhibitors exists?
Herpes zoster infection
What other significant adverse effects are associated with JAK inhibitors?
MACE, VTE, cancers
What are the three pathways implicated in PAH?
Nitric oxide pathway
Endothelin pathway
Prostacyclin pathway
What is the most common presenting feature of GPA?
Upper respiratory disease
What differentials exist for saddle nose deformity?
GPA
Congenital syphilis
Cocaine use
What is the most common presenting feature of MPA?
Renal disease
What neurological feature needs to be monitored for with EGPA?
Mononeuritis multiplex
For which AAV is ANCA least sensitive?
EGPA
What is the most commonly seen pattern on renal biopsy with AAV?
Crescenteric necrotising glomerulonephritis
What is the most commonly seen pattern on renal biopsy with AAV?
Crescenteric necrotising glomerulonephritis
What is included in your five factor score?
Age >65
Cardiac involvement
Renal impairment
GI involvement
Absence of ENT involvement