Employee exposure to bloodborne pathogens from blood and Other Potentially Infectious Materials (OPIM) because employees are not using Universal Precautions. 1  Bloodborne pathogens are pathogenic microorganisms that are present in human blood and can cause disease in humans.
atonality. n. 1. (Music, other) absence of or disregard for an established musical key in a composition. 2. (Music, other) the principles of composition embodying this and providing a radical alternative to the diatonic system.
Atrial fibrillation (AF or AFib) is the most common abnormal heart rhythm. Atrial fibrillation is an irregular, frequently rapid heart rhythm originating in the atria (top chambers of the heart).