Diseases Diseases

How To Diagnose Bacterial Infectious Diseases

Introduction

Infectious bacterial diseases can be defined as an infectious disease caused by a single cell microorganism that does not have a nucleus. These infections are mostly transmittable. The mode of transmission of these Bacterial Infectious Diseases can be physical contact, food, contaminated water, body fluids and sometimes even by air droplets.

Step 1

In order to treat these bacterial infectious diseases the first essential step is to diagnose them. There are a number of ways in which these Bacterial Infectious Diseases can be successfully diagnosed for treatment. These include mostly laboratory Diagnostic techniques as these organisms are mostly microscopic. There are different techniques of diagnosing these diseases but the basic steps involved are. taking the sample from the infected person, staining it and observing it under the microscope or obtaining a pure culture of the organism by inoculating it into s bacteriologic medium.

Step 2

First, it is very important to obtain the specimen from the website of infection of the bacterial infectious disease. This can be done with the help of a syringe. If there is an abscess or a cyst the fluid in it is drawn into a syringe. Usually, bone marrow samples are also taken. In other bacterial infections blood tests and urine tests are also done.

Step 3

There are a number of different ways to stain the Bacteria of infectious diseases. This includes the gram staining which involves the staining of the bacteria with gram stain. This helps in identifying the bacteria as gram negative or gram positive. The gram positive bacteria take up more of the gram stain and are intensively stained. Other stains that can be used are the Acid Fast stain, KOH preparation, and the silver stain. When the bacteria are stained they are then observed under the light or electron microscope. Sometimes a florescent microscope is also used to diagnose Bacterial Infectious Diseases.

Step 4

Now after this the bacteria are usually cultured that is they are bred and then studied. Mostly agar is used to grow bacteria and observe them. Some other media such as the blood cultures, sputum cultures and throat cultures are also used to culture bacteria. This is the most effective way to diagnose the Bacterial Infectious Diseases. This type of diagnosis is called Microbial culture.

Step 5

Then comes another technique in which the metabolic and enzymatic characteristics of a bacterium are studied this is called the biochemical testing. In this the specific bacterial enzymes are studied, for example it is evident that the enzyme is not synthesized by the human body so this is an effective way in which Bacterial Infectious Diseases can be diagnosed. Sometimes the antigen binding abilities of the bacterium are also studied to make a clear diagnosis.

Tips

As prevention is better than cure one should never come into close contact with anyone who is suffering from any kind of Bacterial Infectious Disease. If one finds out that a family member or a friend is suffering from bacterial infectious disease then he or she should immediately consult a doctor and go for a through medical checkup.

By Maryam Cheema, published at 03/24/2012
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