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The patient was a 44 year-old male with a past medical history significant for hypertension, non-insulin-dependent diabetes, high cholesterol, and heavy smoking (2 packs/day). He presented to the emergency room with complaints of chest pain and was found to have suffered a myocardial infarction (heart attack). A cardiac catheterization on hospital day 3 showed three arterial occlusions, and he underwent a triple-bypass on hospital day 5. On day 7, he developed septic shock with acute respiratory and renal failure, requiring intubation. He had a fever at that time of 39.3° C and two blood cultures were obtained. A chest x-ray showed left lung pleural effusion and a chest tube was inserted to drain the effusion. On day 11, pus was leaking from the sternal wound. Cultures derived from the wound and from the chest tube grew the organism noted in figures 1 and 2. A Kirby-Bauer disk diffusion assay is shown in figure 3. Figure 1: Organism under 1000x !! 200 Figure 2: Organism grown on 5% BAP Figure 3: K-B disk diffusion assay. The organism is shown to be resistant gentamycin, oxacillin, penicillin, and erythromycin. The organism is sensitive to vacomycin and TMP/SMX. Is this organism recovered more frequently as a nosocomial pathogen or as community- acquired pathogen? Or similar rates? Defend your position. This organism was found to have infected five other patients in the same hospital unit. All had under-gone open heart surgery within a recent 3-week period. What could be done to determine if these patients were infected with the same or different strains of this bacterium?

The patient was a 44 year-old male with a past medical history significant for hypertension, non-insulin-dependent diabetes, high cholesterol, and heavy smoking (2 packs/day). He presented to the emergency room with complaints of chest pain and was found to have suffered a myocardial infarction (heart attack). A cardiac catheterization on hospital day 3 showed three arterial occlusions, and he underwent a triple-bypass on hospital day 5. On day 7, he developed septic shock with acute respiratory and renal failure, requiring intubation. He had a fever at that time of 39.3° C and two blood cultures were obtained. A chest x-ray showed left lung pleural effusion and a chest tube was inserted to drain the effusion. On day 11, pus was leaking from the sternal wound. Cultures derived from the wound and from the chest tube grew the organism noted in figures 1 and 2. A Kirby-Bauer disk diffusion assay is shown in figure 3. Figure 1: Organism under 1000x !! 200 Figure 2: Organism grown on 5% BAP Figure 3: K-B disk diffusion assay. The organism is shown to be resistant gentamycin, oxacillin, penicillin, and erythromycin. The organism is sensitive to vacomycin and TMP/SMX. Is this organism recovered more frequently as a nosocomial pathogen or as community- acquired pathogen? Or similar rates? Defend your position. This organism was found to have infected five other patients in the same hospital unit. All had under-gone open heart surgery within a recent 3-week period. What could be done to determine if these patients were infected with the same or different strains of this bacterium?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The patient was a 44 year-old male with a past medical history significant for hypertension, non-insulin-dependent diabetes, high cholesterol, and heavy smoking (2 packs/day). He presented to the emergency room with complaints of chest pain and was found to have suffered a myocardial infarction (heart attack). A cardiac catheterization on hospital day 3 showed three arterial occlusions, and he underwent a triple-bypass on hospital day 5. On day 7, he developed septic shock with acute respiratory and renal failure, requiring intubation. He had a fever at that time of 39.3° C and two blood cultures were obtained. A chest x-ray showed left lung pleural effusion and a chest tube was inserted to drain the effusion. On day 11, pus was leaking from the sternal wound. Cultures derived from the wound and from the chest tube grew the organism noted in figures 1 and 2. A Kirby-Bauer disk diffusion assay is shown in figure 3. Figure 1: Organism under 1000x !! 200 Figure 2: Organism grown on 5% BAP Figure 3: K-B disk diffusion assay. The organism is shown to be resistant gentamycin, oxacillin, penicillin, and erythromycin. The organism is sensitive to vacomycin and TMP/SMX.
Transcribed Image Text:The patient was a 44 year-old male with a past medical history significant for hypertension, non-insulin-dependent diabetes, high cholesterol, and heavy smoking (2 packs/day). He presented to the emergency room with complaints of chest pain and was found to have suffered a myocardial infarction (heart attack). A cardiac catheterization on hospital day 3 showed three arterial occlusions, and he underwent a triple-bypass on hospital day 5. On day 7, he developed septic shock with acute respiratory and renal failure, requiring intubation. He had a fever at that time of 39.3° C and two blood cultures were obtained. A chest x-ray showed left lung pleural effusion and a chest tube was inserted to drain the effusion. On day 11, pus was leaking from the sternal wound. Cultures derived from the wound and from the chest tube grew the organism noted in figures 1 and 2. A Kirby-Bauer disk diffusion assay is shown in figure 3. Figure 1: Organism under 1000x !! 200 Figure 2: Organism grown on 5% BAP Figure 3: K-B disk diffusion assay. The organism is shown to be resistant gentamycin, oxacillin, penicillin, and erythromycin. The organism is sensitive to vacomycin and TMP/SMX.
Is this organism recovered more frequently as a nosocomial pathogen or as community- acquired pathogen? Or similar rates? Defend your position. This organism was found to have infected five other patients in the same hospital unit. All had under-gone open heart surgery within a recent 3-week period. What could be done to determine if these patients were infected with the same or different strains of this bacterium?
Transcribed Image Text:Is this organism recovered more frequently as a nosocomial pathogen or as community- acquired pathogen? Or similar rates? Defend your position. This organism was found to have infected five other patients in the same hospital unit. All had under-gone open heart surgery within a recent 3-week period. What could be done to determine if these patients were infected with the same or different strains of this bacterium?
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