LAUSR

Arterial cannulation (AC) is a common point of care invasive procedure performed in the perioperative settings and critical care units. Radial, femoral, and dorsalis pedis arteries (DPAs) are preferred sites owing to ease of access and minimal complications. DPA is the choice of AC for patients when the radial artery is inaccessible.[1] The AC is a painful procedure that worsens by repeated attempts to cannulate the artery.[2,3] The local lignocaine infiltration on the dorsal surface of the foot is the commonly employed technique for procedural pain relief during DPA cannulation, but the drug infiltration itself causes discomfort and provides a limited area of analgesia.[2] The ultrasound‐guided peripheral nerve blocks are becoming a leading choice of pain management in recent times.[4] The selective block of the superficial peroneal nerve (SPN) can provide excellent analgesia for DPA cannulation, but this technique is not described to date.