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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 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 • 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
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
Tuberculosis Figure 14.11c
Tuberculosis Figure 24.12
Pneumomoccal Pneumonia • Streptococcus pneumoniae: Gram-positive encapsulated diplococci • Diagnosis by culturing bacteria • Penicillin is drug of choice Figure 24.13
Haemophilus influenzae Pneumonia • Gram-negative coccobacillus • Alcoholism, poor nutrition, cancer, or diabetes are predisposing factors • Second-generation cephalosporins