To perform a hemoccult test, first, collect a small stool sample using a clean container. Apply a small amount of the stool to the designated area on the test card using a wooden stick or applicator. Then, add a few drops of the developer solution to the area and wait for the color change. A blue color indicates the presence of blood, which may require further investigation.
Hemoccult is the most commonly used fecal occult blood test. The Hemoccult test takes less than five minutes to perform and may be performed in the physician's office or in the laboratory. The Hemoccult blood test can detect.
Hemoccult
In a Hemoccult test, a positive indicator of blood is shown by a blue color change on the test card. This occurs when the sample contains hemoglobin, which reacts with the developer solution. It's important to follow the manufacturer's instructions for accurate interpretation of results.
Hemoccult Test is the brand name. The generic name of the test is guaiac test. Seroccult is another common brand name.
At home, after having a bowel movement, the patient is asked to swipe a sample of stool obtained with a small stick on a card. After three such specimens are on the card, the card is then easily chemically tested for occult blood also.
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Hemoquant, another fecal occult blood test, is used to detect as much as 500 mg/g of blood in the stool. Like the Hemoccult, the Hemoquant test is affected by red meat. It is not affected by chemicals in vegetables.
To use a Hemoccult card for fecal occult blood testing, first collect a small stool sample using the provided collection device. Next, apply a thin smear of the stool onto the designated section of the Hemoccult card. Afterward, close the card and apply the developer solution on the test area, waiting for the specified time to observe any color change. A blue reaction indicates the presence of blood, which should be followed up with further medical evaluation.
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Reading the Hemoccult slide results at the end of 60 seconds is crucial because this timeframe ensures the most accurate interpretation of the test. After this duration, the color change that indicates the presence of blood can continue to develop, potentially leading to misinterpretation. Timely reading minimizes the risk of false positives or negatives, ensuring reliable results for effective patient diagnosis and management.