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 (also called AF or a-fib) is an abnormal rhythm of the heart. It is relatively common, affecting 2.3 million adults in the United States. Most people who develop atrial fibrillation are over 65 years of age.See Surgical approaches to prevent recurrent atrial fibrillation .). TREATMENT TO PREVENT BLOOD CLOTS. Many people with atrial fibrillation have an increased risk of stroke as a result of blood clots that can form in the heart.