Medtech presentation about the Bacteriology section

2. 01
What is
Bacteriology?

3. Bacteriology
It is a branch of microbiology that is
concerned with the study of bacteria
and related aspects. It is a field in which
bacteriologists study and learn more
about the various characteristics of
bacteria as well as the mechanism
through which they cause diseases in
humans and animals.

4. 02
Specimen
Collection in
Bacteriology

5. ● Properly collected specimens should be sent to
lab within office hours without delay in order to
avoid overgrowth of commensals or loss of
viability of pathogens.
● Specimens should be collected from correct
anatomic sites using proper techniques to avoid
contamination from indigenous flora.
● Specimens should be collected before antibiotics
given, if possible. If antibiotics are given indicates
in the request form.
● Specimens collected should be of adequate
volume and be placed in appropriate container.
● Each specimen should be accompanied by fully
completed request form.
General specimen collection

6. 03
Clinical
Bacteriology
Tests

7. A bacteria culture test can help find harmful
bacteria in your body. During a bacteria
culture test, a sample will be taken from your
blood, urine, skin, or other part of your body.
The cells in your sample will be taken to a lab
and put in a special environment in a lab to
encourage cell growth.
Bacteria
Culture Test

8. Used to diagnose or rule
out strep throat
Throat Culture
Used to help diagnose
bacterial infections in the
respiratory tract
Sputum Culture
Urine Culture
Used to diagnose a urinary
tract infection and identify the
bacteria causing the infection
Types of Bacteria Tests

9. Used to detect the
presence of bacteria or
fungi in the blood
Blood Culture
Used to detect infections
on open wounds or on burn
injuries
Wound Culture
Stool Culture
Used to detect infections
caused by bacteria or
parasites in the digestive
system
Types of Bacteria Tests

10. An antibiotic sensitivity test can help
find out which antibiotic will be most
effective in treating your infection.
The test can also be helpful in finding
a treatment for antibiotic-resistant
infections.
Antibiotic
Sensitivity Test

11. Results are usually described in one of the
following ways:
● Susceptible. The tested medicine
stopped the growth or killed the bacteria
or fungus causing your infection. The
medicine may be a good choice for
treatment.
● Intermediate. The medicine may work at
a higher dose.
● Resistant. The medicine did not stop the
growth or kill the bacteria or fungus
causing the infection. It would not be a
good choice for treatment.
What do the results mean?

12. It is a test that checks for bacteria at the
site of a suspected infection such as the
throat, lungs, genitals, or in skin wounds.
Gram stains may also be used to check
for bacteria in certain body fluids, such
as blood or urine.
Gram Staining

13. There are two main categories of bacterial
infections: Gram-positive and Gram-
negative, which are diagnosed based on the
how the bacteria reacts to the Gram stain.
● If the bacteria stays purple, they are
Gram-positive.
● If the bacteria turns pink or red, they
are Gram-negative.
Gram-positive or gram-negative?

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