“…1968). It occurs in 0.5 -1 % of all patients getting neuroleptic therapy and is in 20-25% of the cases lethal (Arnold, 1970;Guze et al, 1985;Siegfn'ed, 1986;Spiess-Kiefer, 1986). Rigor, akinesis, mutism, stupor, vegetative disturbances (changes in blood pressure, tachycardia.…”