The heart is divided into four main areas, or chambers â two upper chambers (called the left and right atrium) and two lower chambers (called the left and right ventricle). There are four valves that control the flow of blood through your heart.he heart is divided into four main areas, or chambers â two upper chambers (called the left and right atrium) and two lower chambers (called the left and right ventricle). There are four valves that control the flow of blood through your heart.
The newly approved Joint Commission on Accreditation of Healthcare Organizations (JCAHO) pain management standards present an important opportunity for widespread and sustainable improvement in pain assessment and management. Unrelieved pain is a major, yet avoidable, public health problem.
Managed Care Organization (MCO) Law and Legal Definition. A managed care organization (MCO) is a health care provider or a group or organization of medical service providers who offers managed care health plans. It is a health organization that contracts with insurers or self-insured employers and finances and delivers health care using a specific provider network and specific services and products.