🔹 Scanning tip for QL3 or Transmuscular Quadratus Lumborum Block: Place the transducer in a transverse orientation on the patient’s flank just cranial to the iliac crest and identify: (1) the acoustic shadow of the L4 transverse process, (2) the erector spinae muscles posteriorly, (3) the QL muscle laterally, and (4) psoas major muscle anteriorly (i.e., the shamrock sign). 🖥 Test drive NYSORA's learning tools on the Regional Anesthesia Learning System (LMS): http://nysoralms.com/ #NYSORA #regi