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Chapter 24, part B

Chapter 24, part B. Microbial Diseases of the Respiratory System. Tuberculosis: Consumption. Mycobacterium tuberculosis : Acid-fast rod. Transmitted from human to human. Figure 24.9. Tuberculosis. Figure 24.10.1. Tuberculosis. Figure 24.10.2. Tuberculosis. Figure 24.10.3. Tuberculosis.

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Chapter 24, part B

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  1. Chapter 24, part B Microbial Diseases of the Respiratory System

  2. Tuberculosis: Consumption • Mycobacterium tuberculosis: Acid-fast rod. Transmitted from human to human Figure 24.9

  3. Tuberculosis Figure 24.10.1

  4. Tuberculosis Figure 24.10.2

  5. Tuberculosis Figure 24.10.3

  6. Tuberculosis • Treatment of Tuberculosis: Prolonged treatment with multiple antibiotics • Vaccines: BCG, live, avirulent M. bovis. Not widely used in U.S. Isoniazid Rifampin (Rifadin, Rimactane) Ethambutol (Myambutol) Pyrazinamide

  7. Tuberculosis • Diagnosis: Tuberculin skin test screening • + = current or previous infection • Followed by X-ray or CT with presence of Ghon complexes in lung • acid-fast staining of sputum, culturing bacteria Figure 24.11

  8. Tuberculosis Figure 14.11c

  9. Tuberculosis Figure 24.12

  10. Pneumomoccal Pneumonia • Streptococcus pneumoniae: Gram-positive encapsulated diplococci • Diagnosis by culturing bacteria • Penicillin is drug of choice Figure 24.13

  11. Pneumomoccal Pneumonia

  12. Haemophilus influenzae Pneumonia • Gram-negative coccobacillus • Alcoholism, poor nutrition, cancer, or diabetes are predisposing factors • Second-generation cephalosporins

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