cardiac function

  1. ForHumors

    Step I Cardiac Physio- Right atrial pressure as a proxy for EDV

    Hey guys, I have something that I can't seem to find well-explained. Venous return and cardiac output curves use right atrial pressure on the X-axis. Costanzo says that it is used as a proxy for end diastolic volume but does not explain why right atrial pressure can be used instead in this...
    • ForHumors
    • Thread
    • cardiac cardiac function cardiac output edv end diastolic volume physiology right atrial pressure
    • Replies: 3
    • Forum: USMLE and COMLEX