Knee aspiration, or arthrocentesis, involves inserting a needle into the knee joint to remove excess synovial fluid. This procedure helps relieve pain and reduce swelling caused by conditions like arthritis, bursitis, or injury. It is typically done under local anesthesia in a doctor's office and provides quick relief by decreasing the pressure within the knee joint. #kneepain #painmanagement | Precision Care Medical & Sports Performance

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💉 Joint Aspiration Explained When a patient presents with a swollen, painful joint, one important step is aspiration — using a needle to withdraw joint (synovial) fluid for lab analysis. This helps us find out the cause of the swelling. 🔬 What we may see under the microscope: 👉 Septic Arthritis – very high white blood cells, bacteria identified on Gram stain/culture. 👉 Gout – needle-shaped monosodium urate crystals, negatively birefringent. 👉 Pseudogout – rhomboid-shaped calcium pyrophospha