Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Orthopedic exam, CBC, ESR
Ultrasound of the hip to document the collection
Obtain informed consent
Sedate, and monitor with a pulse oximeter
Sterile prep and drape, place sterile cover on transducer
Using real-time ultrasound guidance hardware and software, insert a 20G 31/2" long spinal needle into the joint capsule and aspirate the fluid off. An 18G or 22G spinal needle can also be used.
As you insert the needle, twist it 360 degrees to ensure you puncture the joint capsule. If the fluid is turbid and has a WBC count greater than 20,000 or if the gram stain is positive the patient needs immediate surgical drainage
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See References Chapter.
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