A PET scan is an effective way to examine the chemical activity in parts of your body. It may help identify a variety of conditions, including some cancers, heart disease and brain disorders.
Reverse Osmosis is a technology that is used to remove a large majority of contaminants from water by pushing the water under pressure through a semi-permeable membrane.everse Osmosis is capable of removing up to 99%+ of the dissolved salts (ions), particles, colloids, organics, bacteria and pyrogens from the feed water (although an RO system should not be relied upon to remove 100% of bacteria and viruses). An RO membrane rejects contaminants based on their size and charge.
Also found in: Dictionary, Acronyms, Encyclopedia, Wikipedia. review of systems (ROS) (in a health history) a system-by-system review of the body functions. The ROS is begun during the initial interview with the patient and completed during the physical examination, as physical findings prompt further questions. Questions about family or personal history are included in each section.