If this is your first visit, be sure to check out the FAQ in HCMA Announcements. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Your Participation in this message board is strictly voluntary. Information and comments on the message board do not necessarily reflect the feelings, opinions, or positions of the Hypertrophic Cardiomyopathy Association. At no time should participants to this board substitute information within for individual medical advice. The Hypertrophic Cardiomyopathy Association shall not be liable for any information provided herein. All participants in this board should conduct themselves in a professional and respectful manner. Failure to do so will result in suspension or termination. The moderators of the message board working with the HCMA will be responsible for notifying participants if they have violated the rules of conduct for the board. Moderators or HCMA staff may edit any post to ensure it conforms with the rules of the board or may delete it. This community is welcoming to all those with HCM we ask that you remember each user comes to the board with information and a point of view that may differ from that which you hold, respect is critical, please post respectfully. Thank you


No announcement yet.

Interpreting echos


About the Author


progers Find out more about progers
  • Filter
  • Time
  • Show
Clear All
new posts

  • Interpreting echos

    I was wondering if anyone knows how to calulate left ventricular diastolic function, left atrium function and ejection fractions from a standard non-invasive echo?

    I've had numerous echos done in the past, but few of them give numbers of these things.


    Age 38, dad of two young children, dx 1996, myectomy March 2005, a-fib issues, due for ICD soon.

  • #2
    Hey, Paul...

    Do you get a prize for stumping the HCMA???

    "Some days you're the dog... some days you're the hydrant."


    • #3

      It looks that way doesn't it! I asked my EP in his office and he said he didn't know and that he wasn't an echocardiologist.

      What about you Jim? Do you know about the level of your own diastolic function and/or atrial pressure?

      Take care,

      Age 38, dad of two young children, dx 1996, myectomy March 2005, a-fib issues, due for ICD soon.


      • #4
        Hi, Paul:

        I was just doing trying to find some info online to better interpret my daughter's latest echo and I came across a site which might help you to find the answers you are looking for. Try echobyweb.com

        I hope this helps.



        • #5

          Cool find--definitely appeals to the engi-nerd in me! I've been doing a little reading to try to understand the technical aspects of these tests since I've been spending so much time around the echo/ultrasound and ECG equipment lately. This site definitely helps!

          Paul: IVRT is depicted:


          Unfortunately, it looks like IVRT is a measured value and not a calculated (see the other thread of discussion).

          --Living life on the edge .. of a continent!
          Charter member: Tinman Club


          • #6
            Hi Abby,

            Thanks for the reference. I actually came across this a few days ago. Some of it I understand, others parts I don't. One of the best measures of diastolic function is isovolumetric relaxation time, but there is no mention of whether this is calculated by a formula, or whether it is simply machine measured.

            One other useful measure of diastolic function, I believe, is Deceleration Time (DT). This shortens with decreasing LV compliance. So, the lower the DT, the more diastolic dysfunction there might be. It is also inversely proportional to atrial pressure. So, if the DT measurement is high (a normal DT is about 200±32msc), it would signify lower atrial pressure (which is good).

            As I understand it, these are not the only measures of diastolic function and only give a partial picture. But I think that can allown me to see how my echos have changed over time.



            All very interesting stuff.
            Age 38, dad of two young children, dx 1996, myectomy March 2005, a-fib issues, due for ICD soon.