title: Laboratory testing--routine or on demand?
mesh_terms: D003325:Coronary Care Units; D003951:Diagnostic Errors; D006801:Humans; D007124:Immunoenzyme Techniques; D008012:Lidocaine / Q000097:blood* / Q000633:toxicity*; D008991:Monitoring, Physiologic
chemical_list: D008012:Lidocaine