Acute tetanus
General
- 45% mortality
- 2 to 56d incubation period
- if pt survives, no residual sequealae
- sxs for 2 wks- pain & stiffness of jaw, abd, back, diff swallowing, hyperactive DTRs, labile HTN,
- DX = clinical
- DDx- dystonic rxn, strychnine
hypocalcemic tetany, PTA, teritonitis. SAN, meningitis, rabies, TMJ
Treatment
- wound debridement
- TIG- 3000- 10K IM- prevents additional dz but does not reverse toxin already fixed to CNS. Binds circulating toxin
- IVF/ hyperal
- quiet room
- sedation c phenobarb, valium or paralytics
- ABx- pen G or flagyl- not 100% proven however
-steroids & hyperbaric O2- no evidence
Types of Tetanus
NEONATAL
- from umbilical stump infection. Usually protected by passive maternal Abs
- sx- poor suck, irritability, crying, grimacing
- usually with in 10 d of birth
LOCAL
-rigidity of muscles near wound- may progress to generalized
GENERALIZED TETANUS
- most common form
-pts are conscious and alert
- hypersympathetic state c sweating, HTN, tachycardia, fever
CEPHALIC
- folloew injuries to head or otitis media
- get CN dysfnction- usually CN 7
