Iggy Chapter 20 RA, Lupus, systemic sclerosis Flashcards
RHEUMATOID ARTHRITIS description
Connective tissue disease
Destructive to joints and cartilage
Antibodies attack synovium causing it to thicken
Inflammatory
RA pannus formation
When synovium thickens
Vascular granulation tissue of inflammatory cells
Errodes articular cartilage and bone
Late RA sx
Fibrous adhesions Bony ankyloses Calcifications Bone density loss Secondary osteoporosis
RA onset
more common in winter
RA characteristics
chronic and progressive
natural remissions and exerbations
RA effects which ethnicity most
euro-americans
Causes of RA
environmental and genetic
Female reproductive hormones play a role
Stress
Who gets RA?
young to middle aged women
Early RA sx
Fatigue Low-grade fever Generalized weakness Anorexia (2-3 lb loss in early stage) Paresthesias “migratory arthritis”
RA Baker’s cysts
enlarged popliteal bursae behind knee
Cause tissue compression and pain
RA Gel phenomenon
last 45 min – several hours .
Joints are soft and puffy (synovitis and effusions – esp. in the knees)
RA Vasculitis
Late sx
Organ supplied by arterial vessels become ischemic, malfunction, and fail
RA peripheral nerropathy
from decreased circulation
leads to foot drop and paresthesias
RA respiratory complications
Pleurisy
Pneumonitis
Diffuse interstistial fibrosis
Pulmonary HTN