Equipment for Measuring Forearm Compartment Pressure Sterile gowns, gloves, and drapes Sterile gauze The Stryker ® system, containing a needle, tubing, and transducer Antiseptic cleanser (eg, 2% chlorhexidine) Local anesthetic (eg, 1 or 2% lidocaine) 25 - to 27-gauge needle About a 3 - to 5-mL syringe for local anesthetic injection Sterile dressings If procedural sedation is needed, appropriate drugs (eg, propofol, ketamine) and pulse oximetry or capnometry Additional Considerations for Measuring Forearm Compartment Pressure Sterile technique is required to prevent microbial contamination of the compartment tissues.