Tuesday, January 13, 2015

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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