Knee Aspiration
| Item | Procedure | Weight |
|---|
Indication
Ask student | - Diagnostic: arthritis, septic
- Therapeutic: reducing massive effusion
| 1
1 |
Contraindications
Ask student | - Cellulitis over injection site
- Broken skin over injection site / psoriasis…etc.
- Uncontrolled anticoagulation therapy / or sever coagulopathy
- Joint prosthesis / or just before planned knee arthroplasty
| 1
1
1
1 |
| Introducing | - Informing patient of the procedure - benefits
- Explaining the procedure
- Explain risks: Mild pain / Infection (1:10,000) / Bleeding
- Obtain consent / explain alternatives
| 1
1
1
1 |
Preparation /
position
Ask student | Patient in supine position
Knee straight - slightly flexed (15-20°) on small support | 1
1 |
Antiseptic
technique | - Using gloves
- Cleaning with antiseptic lotion or Betadine / alcohol
- Starting in center with circles enlarging to periphery
- Not coming back from periphery to center
| 1
1
1
1 |
| Aspiration | - Site: Lateral midpatellar or / Superiolateral patellar
- Needle entry: Perpendicular to femur, parallel to ground
- Needle size: 18G / 20G
- Aspiration / keep needle and change syringe if full
- Gently compressing suprapatellar region with the other hand
- Apply band aid
- Handling / disposal: No recapping - Disposal in sharp disposal box
- Alcohol swab disposal in trash - not in sharp disposal box
| 1
1
1
1
1
1
1 |
Post procedure
instructions | - Rest the knee, no heavy activity for 2-3 days
- Call immediately for any fever, chills, or redness of the knee
- Call if discomfort of the injection does not resolve within 72 hours
| 1
1
1 |
| Overall | | 1 |