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MGIT TM Procedure Manual - Foundation for Innovative New ...

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Section I: Principle of <strong>Procedure</strong>s<br />

TABLE OF CONTENTS<br />

A. Introduction<br />

B. Principle of the BACTEC <strong>MGIT</strong> 960 TB System<br />

1. <strong>MGIT</strong> medium<br />

2. Principle of detection and susceptibility testing<br />

Section II: <strong>Procedure</strong> <strong>for</strong> Primary Isolation<br />

A. Introduction<br />

B. Important Safety Precautions<br />

C. Specimen Handling<br />

1. Collection<br />

2. Transportation<br />

3. Storage<br />

D. Digestion, Decontamination and Concentration<br />

1. Sputum<br />

a. NaOH-NALC procedure<br />

b. Other procedures<br />

c. Important points<br />

2. Specimens other than sputum (extra-pulmonary)<br />

a. Pus and other mucopurulent specimens<br />

b. Gastric aspirates<br />

c. Bronchial washings<br />

d. Laryngeal swabs<br />

e. Tissue<br />

f. Urine<br />

g. Other body fluids<br />

E. Smears <strong>for</strong> Acid-Fast Bacteria (AFB)<br />

1. Smear preparation<br />

2. Staining methods<br />

a. Ziehl-Neelsen staining<br />

b. Kinyoun’s staining<br />

c. Two-step staining<br />

d. Fluorochrome acid-fast staining<br />

3. Microscopy<br />

4. Reporting<br />

<strong>MGIT</strong> <strong>TM</strong> <strong>Procedure</strong> <strong>Manual</strong> 3

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