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.
These drugs include narcotics and non-steroidal anti-inflammatory drugs (NSAIDs). Although the terminology is not precisely correct, pain-relieving opioids are often called narcotics, and they may be prescribed to treat acute pain (severe, short-lived pain), post-operative pain and certain types of chronic pain.