Opisthotonus and thiopental.
D000771:Anesthesia, Intravenous; D018686:Anesthetics, Intravenous / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009127:Muscle Rigidity / Q000139:chemically induced; D009129:Muscle Tonus / Q000187:drug effects; D012026:Reflex, Stretch / Q000187:drug effects; D013035:Spasm / Q000139:chemically induced*; D013390:Succinylcholine / Q000008:administration & dosage; D013874:Thiopental / Q000008:administration & dosage / Q000009:adverse effects*; D013997:Time Factors
D018686:Anesthetics, Intravenous; D013390:Succinylcholine; D013874:Thiopental