Infections of Respiratory Tract RT

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Infections of Respiratory Tract (RT)
By
Dr. Humodi A. Saeed Associate Prof. of Medical
Microbiology College of Medical Laboratory
Science Sudan University of Science and
Technology E mail address Biotechsust_at_hotmail.com
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The Respiratory Tract (RT)
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The Respiratory Tract (RT)

• Definition (1)
• RT (respiratory system)
• The organs that are involved in breathing.

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The Respiratory Tract (RT)

• Definition (2)
• The organs and cells that take in oxygen and get
  rid of carbon dioxide.

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The Respiratory Tract (RT)
Definition (3) Respirations the act of
breathing inhaling (inspiration) - taking in
oxygen exhaling (expiration) - giving off carbon
dioxide.
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The Respiratory Tract (RT)

• Definition (4)
• The system begins at the nasal entrance, where
  particles are inhalable and continues through the
  thoracic cavity and down into the respirable gas
  exchange regions of the lungs.

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The Respiratory Tract (RT)

• Components
• 1. Nose
• 2. Throat
• 3. Larynx
• 4. Trachea
• 5. Bronchi
• 6. Lungs

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The Respiratory Tract (RT)

• The upper respiratory
• tract includes the
• nose
• nasal cavity
• frontal sinuses
• maxillary sinus
• larynx
• trachea

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The Respiratory Tract (RT)

• The lower respiratory tract includes the
• lungs
• bronchi
• alveoli

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Bacterial Infection of (RT)

• Diseases of RT

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Bacterial Infection of (RT)

• Pneumonia
• 1. Community-acquired
• 2. Hospital-acquired

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Bacterial Infection of (RT)

S.pneumoniae
1. Community-acquired
H.influenzae
Other
Anaerobes
L.pneumophilia
M.pneumoniae
C.pneumoniae
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Bacterial Infection of (RT)

• 2. Hospital-acquired
• Ps. aeruginosa

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Bacterial Infection of (RT)

• Pharyngitis
• Groups A and C
• Streptococci
• Arcanobacterium
• Neisseria gonorrhoeae
• Cory. diphtheriae
• Cory. ulcerans
• 5. Mycoplasma pneumoniae

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Bacterial Infection of (RT)

• Sinusitis
• Strep. pneumoniae
• Haemophilus inftuenzae
• 3. Mixed anarobes
• 4. Staph. aureus
• 5. Moraxella catarrhalis
• 6. Group A Streptococcus
• 7. Pseudomonas aeruginosa
• 8. Other gram-negative bacilli

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Bacterial Infection of (RT)

• Epiglottitis
• 1. H. inftuenzae
• 2. Strep. pneumoniae
• 3. Staph. aureus

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Bacterial Infection of (RT)

• Sinusitis
• 1. H. inftuenzae
• 2. Strep. pneumoniae

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Bacterial Infection of (RT)Lab. Diagnosis

• Specimens
• Sputum
• Nasal swab
• Nasopharyngeal swab
• Throat swab

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Bacterial Infection of (RT) Lab. Diagnosis

• Microscopy
• Gram stain
• ZN stain

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Bacterial Infection of (RT) Lab. Diagnosis

• Culture
• Blood agar
• Chocolate agar
• L-J medium

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Bacterial Infection of (RT)

• Treatment
• After performing sensitivity test.

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Thank you
I would like to thank Dr. Philip L.
Pokorski Dr. Ross Davidson
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Thank you