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Accuracy of identification of the cricothyroid membrane in female subjects using palpation: an observational study.Aslani, Anastasia; Ng, Su-Cheen; Hurley, Michael; McCarthy, Kevin F; McNicholas, Michelle; McCaul, Conan Liam; Department of Anaesthesia, The Rotunda Hospital, Dublin 1, Ireland. (2012-05)The cricothyroid membrane (CTM) is the recommended site of access to the airway during cricothyroidotomy to provide emergency oxygenation. Despite the apparent simplicity of the technique, this rescue maneuver frequently fails to achieve its goals and complications are numerous. The reasons for this failure are unclear. We sought to determine the ability of physicians to correctly identify the CTM in female patients.