Fecal smear

What Is Fecal Smear Test?

A fecal smear test is a screening test that is used to detect microscopic abnormalities in the structure and components of stool, such as blood, mucus, parasites, and bacteria. This test can help identify the presence of medication-resistant bacteria or parasites, as well as intestinal dysbiosis.

Why Is a Fecal Smear Test Done?

Fecal smear tests are usually ordered when a patient has gastrointestinal symptoms, such as abdominal pain, bloating, diarrhea, or blood in the stool. The test is also used to check for the presence of gastrointestinal parasites and to evaluate the overall composition of the stool.

Preparation

No preparation is required for a fecal smear test. The patient should bring a fresh and unprocessed stool sample in order to get the most accurate results.

Procedure

To perform a fecal smear test, a small sample of the stool is collected in a container and placed on a glass slide. A microscope is used to examine the sample and look for any abnormalities in the structure and components of the stool. The microscope is used to examine the stool sample for parasites, bacteria, and other components that may not be visible to the naked eye. If necessary, additional stains may also be used to help identify the presence of specific microorganisms or other constituents.

Types

There are several types of fecal smear tests, including the Giemsa stain, wet mount, Gram stain, and KOH stain. Each type of test uses a different chemical stain to help identify specific structures and bacteria in the stool sample.

Risks

Fecal smear tests are considered safe and are usually not associated with any risks. However, if the test is being performed on a patient with a compromised immune system, there is a risk of infection.

When Should a Fecal Smear Test Be Performed?

A fecal smear test should be performed whenever a patient has gastrointestinal symptoms, such as abdominal pain, bloating, diarrhea, or blood in the stool. The test can also be used to check for the presence of gastrointestinal parasites and to evaluate the overall composition of the stool.