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case study TETANUS

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INTRODUCTION

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
 
! "   #  ! $   
%&"$'&
&"& Clostridium tetani"
     !!   $ $
      ( &  $  
          &  &    !!    
!#"($"!
         
&$")$%
$"$#*
&!(
      # $'  
!$
$%%$
&$+,-"("&."
 "!"(
&$&$(
("$"$$/-/"
&(!&0"1&'(*
!&&2
 (  $ ! $     
      "   " $  "
 & " & 2  " $   
%&"1"&-3
&$!&"!#&
!"-4"$"%
5$$-,.6(,/-(6,0
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TETANUS INTRODUCTION TETANUS Comes from the Greek word "tetanus" meaning taut and "teiteim" which means to stretch. It is also called lockjaw. It is a serious infectious disease of the nervous system in which toxin causes severe muscle spasm. It is a medical condition characterized by a prolonged contraction of skeletal muscle fibers. It is caused by a bacterium Clostridium tetani. Infection generally occurs through wound contamination and often involves a cut or deep punctured wound. Tetanus is often associated with rust, but this concept is somewhat misleading. The C.Tetani is an Anaerobic bacteria which survives in an environment that lacks oxygen, thus with or without rust a person may have a tetanus once C. Tetani enters the wound. Contaminated wounds are the site where tetanus bacteria multiply. Deep wounds or those with distallized tissue are particularly prone to tetanus infection. The tetanus toxin affects the site of interaction between the nerve and the muscle that it stimulates, this region is called the neuromuscular junction. The tetanus toxin amplifies the chemical signals from the nerve to the muscles to tighten up in a continuous contraction or spasm. This results in either localized or generalized muscle spasm. The incubation period ranges from 3 to 21 days, usually about 8 days. In general the further the injury site is from the central nervous system, the longer the incubation period. The shorter the incubation ...
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