1. There is no consensus on whether to stop warfarin before a guaiac test. 2. It is sometimes incorrectly called guaiac wood violets. 3. Both sides of the test card can be peeled open, to access the inner guaiac paper. 4. Stool guaiac test for fecal occult blood ( gFOBT ) sensitivity varies depending on the site of bleeding. 5. Oil of guaiac is produced through steam distillation of a mixture of wood and sawdust from palo santo. 6. The flora of importance is guaiac , a small tree which is nearing extinction in the Lesser Antilles. 7. In testing, feces are applied to a thick piece of paper attached to a thin film coated with guaiac . 8. Further discussion of sensitivity and specificity issues that relate particularly to the guaiac method is found in the stool guaiac test article. 9. Further discussion of sensitivity and specificity issues that relate particularly to the guaiac method is found in the stool guaiac test article. 10. Fecal occult blood testing ( FOBT ) of the stool is typically recommended every two years and can be either guaiac based or immunochemical.
