Whooping cough
Pertusis is an acute highly contagenious respiratory track
infection caused bye bordetella perturis.
The dz is characterized by intestine spasmodic cough
Incubation period : 7-14dys
Mode of transmission : aerosol droplet
c/f
The clinical presentation can be divided
into three stage
1.
The catarrhal phage for 1-2wks
a.
Most infection period cough, coryza with little
nasopharyngeal secretion. The cough doesn’t improve in a few days but becomes
more severe and frequent with the passage of time
2.
The paroxysmal stage last for 2-6wks
a.
Cough progress to episodic paroxysms of
increasing intensity ending with high pitched this stage occurs inspiration
whoop
b.
The whoop is produced bye the air rushing is
during inspiration through the half open glotitus. Cough is thick tenacious mucous
vomiting.
3.
Convalescent phge
a.
The intensity and paroxysms of cough decrease
gradually over 1-4 wks , the vomiting becomes less frequent, appetite, general
condition and health gradually improve
Complication
1.
Otitis media
2.
Inguinal hernia
3.
Rectal prolapsed
Diagnosis
Based of clinical features specific diagnosi depends on isolated
of the organism from nasopharyngeal swab or cough plate cultured on bordet
Gengou medium
Management
1.
Nutrion
2.
Hydration
3.
Antibiotic of choice in Erythromycin :40-50mg /kg/day in 3 divided dose *14 dys
4.
Nebulization with salbutamol
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