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TORTORA • FUNKE
• CASE
Microbiology
AN INTRODUCTION
EIGHTH EDITION
B.E Pruitt & Jane J. Stein
Chapter 24, part B
Microbial Diseases of the Respiratory System
PowerPoint® Lecture Slide Presentation prepared by Christine L. Case
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Tuberculosis
• Mycobacterium
tuberculosis: Acid-fast
rod. Transmitted from
human to human
• M. bovis: <1% U.S.
cases, not transmitted
from human to human
• M. avium-intracellulare
complex infects people
with late stage HIV
infection
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.9
Tuberculosis
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.10.1
Tuberculosis
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.10.2
Tuberculosis
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.10.3
Tuberculosis
• Treatment of Tuberculosis: Prolonged treatment with
multiple antibiotics
• Vaccines: BCG, live, avirulent M. bovis. Not widely
used in U.S.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Tuberculosis
• Diagnosis: Tuberculin skin test screening
• + = current or previous infection
• Followed by X-ray or CT, acid-fast staining of
sputum, culturing bacteria
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.11
Tuberculosis
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 14.11c
Tuberculosis
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.12
Pneumomoccal Pneumonia
• Streptococcus
pneumoniae:
Gram-positive
encapsulated
diplococci
• Diagnosis by
culturing
bacteria
• Penicillin is
drug of choice
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Figure 24.13
Pneumomoccal Pneumonia
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
Haemophilus influenzae Pneumonia
• Gram-negative coccobacillus
• Alcoholism, poor nutrition, cancer, or diabetes are
predisposing factors
• Second-generation cephalosporins
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings
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