title: Technique in question.
authors.affiliation: State Volunteer Mutual Insurance Company, Brentwood, USA.
authors.forename: J Kelley
authors.initials: JK
authors.lastname: Avery
mesh_terms: D005260:Female; D006323:Heart Arrest / Q000209:etiology*; D006801:Humans; D002534:Hypoxia, Brain / Q000209:etiology*; D019300:Medical Errors; D008875:Middle Aged; D009407:Nerve Block / Q000009:adverse effects*