MEDRADSC 1B03 Chapter Notes - Chapter self study: Community-Acquired Pneumonia, Hospital-Acquired Pneumonia, Lobar Pneumonia

• School: McMaster University
• Department: Medical Radiation Sciences
• Course: MEDRADSC 1B03
• Professor: Sandra Charbonneau

Document Summary

Could be primary infection or secondary to another respiratory infection where tissue resistance is reduced. It"s a risk follo(cid:449)i(cid:374)g a(cid:374)(cid:455) aspiratio(cid:374) or i(cid:374)fla(cid:373)(cid:373)atio(cid:374) i(cid:374) the lu(cid:374)gs, (cid:449)he(cid:374) fluids pool or (cid:272)ilia are reduced. M/o enter the lungs by inhalation (virus), resident bacteria spread along the mucosa, aspiration in secretions, or could be blood born viral pneumonia changes occur in the intestinal tissue. One or two lobes streptococcus (usually chills in the nasopharynx without any problems) stage 1: congestion inflammation vascular congestion development in alveolar wall exudate forms changes o2 diffusion stage 2. (cid:374)eutrophils, rbc"s a(cid:374)d fi(cid:271)ri(cid:374)oge(cid:374) a(cid:272)(cid:272)u(cid:373)ulate i(cid:374) the e(cid:454)udate. Prese(cid:374)(cid:272)e of the rbc"s for(cid:373)s the rust(cid:455) sputu(cid:373) forms a solid mass called a consolidation. Rbc"s (cid:449)ill (cid:271)reak do(cid:449)(cid:374) a(cid:374)d the (cid:373)a(cid:272)rophages (cid:449)ill (cid:271)reak do(cid:449)(cid:374) the e(cid:454)udate to allo(cid:449) it to (cid:271)e reabsorbed. Inflammation of the pleura usually occurs, and might spread into the pleural cavity causing empyema. Empyema if not solved can cause adhesions and decreased ventilation.