How do you use the Beckman Coulter Hemoccult test?
Apply two drops of Hemoccult® SENSA® Developer to guaiac paper directly over each smear. Read and interpret results within 60 seconds. Any trace of blue on or at the edge of any smear is positive for occult blood. The Performance Monitor® must be developed on every Test Card.
What is a Hemoccult slide test used for?
The Hemoccult slide test is used frequently to test for the presence of occult blood in samples of gastric juice obtained from critically ill patients.
What is the teaching for stool for occult blood?
About the test This test looks for hidden (occult) blood in your stool (fecal matter). Hidden blood is sometimes a sign of polyps (growths) in your colon that may turn into cancer. Completing this test is important because even if you have a polyp, you may never feel symptoms—only screening can detect it.
What is the difference between Hemoccult and Hemoccult Sensa?
Q: What is the difference between Hemoccult and Hemoccult SENSA? A: Hemoccult SENSA is more sensitive. Q: May I test alternate samples (gastric fluid, breast secretions, etc.)
What method should be used when a stool specimen is needed from an infant or small child?
Infants. After your infant has a bowel movement, collect the stool from the If your infant is having liquid stool, use a disposable diaper and put the plastic side next to the skin. Leave the diaper on this way just long enough to collect the stool specimen. The stool must not have any contact with urine.
What color is a positive Hemoccult?
A distinct green color (no blue) appearing on or at the edge of the smear within 60 seconds after adding Hemoccult SENSA Developer, should be interpreted as negative for occult blood. A blue or blue-green color should be interpreted as positive for occult blood.
How long is Hemoccult Developer good for after opening?
Hemoccult slides may be prepared and developed immediately or prepared and stored for up to 14 days at room temperature, 15-300 C before developing. Fecal samples should not be collected if hematuria or obvious rectal bleeding, such as from hemorrhoids, is present.
How sensitive is Hemoccult?
Hemoccult II Sensa had the highest sensitivity for de- tecting neoplasms (71.2 percent; 95 percent confidence interval, 63.3 to 79.1 percent), and the lowest specificity (87.5 percent; 95 percent confidence interval, 86.7 to 88.2 percent). Hemoccult II and the combination test had the highest specificity ( 97 percent).
Is stool guaiac same as Hemoccult?
Hemoccult II and similar older guaiac tests should no longer be used for colorectal cancer screening. target a different portion of the hemoglobin molecule and use a different mechanism of action than do guaiac tests, making FIT more specific for human blood and for bleeding from the lower GI tract.
How do you collect a stool sample from a child?
If using plastic wrap, loosely drape a long section of plastic wrap over the rim on both sides of the toilet bowl creating a “pocket” in the center. Have your child sit directly over the collection container or plastic wrap to collect the stool sample. Do not collect the stool from the toilet.