Attaches to ciliated epithelial cells of
Complications : physical trauma from coughing - conjunctiva hemorrhaging, detached retina, rectal prolapse, hernia, cracked ribs.
Transmitted by : Direct contact, inhalation of droplets.
Catarrhal Stage of Pertussis
Symptoms similar to common cold
Paroxysmal Stage of Pertussis
Thick tenacious mucus
Convalescent Stage of Pertussis
Coughing subsides, easy to cause relapse.
Can live/multiply in alveolar macrophages
Bacteria reach lungs and wall off causing a Tubercle.
Necrosis-->Caseous Lesion-->Ghon Complexes - Scar formation and calcification seen on chest x-ray.
Transmitted by : Droplet route
Vaccine - Not available in US or Netherlands.
Bronchi and alveoli involved
Transmitted by : Respiratory secretions
Group A Streptococcal Pneumonia
Male alcoholics 40+
Transmitted by : Respiratory route and nosocomial infections.
Operation Sea Spray
Fever, disorientation, amnesia
Complications : Delirium, respiratory failure, fatal shock.
Transmitted by : Inhalation: Organism found in water. Can live and multiply in waterborne protozoa.
Mild form of Legionellosis
Secondary in patients recovering from viral infection.
Complications : Obstructive epiglottis, obstruction of the trachea, tracheotomy required.
Viral agent suspected
Organism lacks cell walls
Complications : Extensive pulmonary infection -->cyanosis
Transmitted by : Inhaling organism or bite from infected bird
Transmitted by : Animal to animal by ticks, inhaling contaminated dust, respiratory droplets, unpasteruized milk, tick bite to humans.