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TOPIC: LOWER TRESPIRATORY TRACT INFECTION
BABCOCK UNIVERSITY COURSE 505 TOPIC: LOWER TRESPIRATORY TRACT INFECTION
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Whooping cough (Pertussis)- Caused by Bordetella prtussis.
Infection limited to respiratory track, highly contagious. - Children are most at risk. - At acute stage, patient is subjected to violent spasm of continuous coughing.
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Followed by a long intake of air into the almost empty lung with a characteristic “whoop”.
Complications include lung damage, convulsion and occasionally brain damage. Permanent sequelae may include epilepsy, mental retardation, blindness or deafness.
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Laboratory diagnosis - Naso-pharyngeal secretion collected with pernasal swab is cultured on selective media: i. Charcoal cephalexin blood agar (CCBA) or ii. Bordet-Gengou medium. Settle plate method can also be used to isolate the organism.
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Incubate at 37C in a moist chamber for 3 – 5 days.
Identify the the pathogen. Treatment: With specific antibiotics. Prevention: Vaccination for infants.
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