Medical management of cardiac failure uses similar methodology whether it is right-sided or left-sided. measures such as dietary modification, lifestyle changes, medications to reduce dyspnea and relieve anxiety, etc. are all used with one primary intention. the primary goal in the medical management of heart failure is to reduce:

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]