Prep area with betadine or chlorhexadine using circular motion moving away from joint x 3
Drape joint in sterile fashion
Inject lidocaine with 25-30ga needle superficially and then into deeper tissues
Insert 18ga needle (for larger joints) into joint space while pulling back on syringe
Stop once you aspirate fluid; aspirate as much fluid as possible
Send: cell count, culture, Gram Stain, crystal analysis
Send: cell count, culture, Gram Stain, crystal analysis
Palpate landmarks with<unk>  in neutral position:
Radial tubercle of distal radius
Anatomic snuffbox
Extensor pollicis longus tendon
Common extensor tendon of index finger
Insert needle perpendicular to skin, ulnar to radial tubercle and anatomic snuffbox, between extensor pollicis longus and common extensor tendons
Radial tubercle of distal radius
Anatomic snuffbox
Extensor pollicis longus tendon
Common extensor tendon of index finger
Arthrocentesis: wrist
Arthrocentesis: elbow
Arthrocentesis: ankle
Arthrocentesis: shoulder
Arthrocentesis: toe
Arthrocentesis: finger
Arthrocentesis: knee
Arthrocentesis: hip