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Would a MUGA test show if someone had HOCM?

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  • Would a MUGA test show if someone had HOCM?

    One of my sisters-in-law was diagnosed with breast cancer in 2001 and had this test done.

    Her brother (my husband), her younger sister, her niece (my daughter) all have HOCM.

  • #2
    Re: Would a MUGA test show if someone had HOCM?

    What is MUGA?

    Reenie
    Reenie

    ****************
    Husband has HCM.
    3 kids - ages 23, 21, & 19. All presently clear of HCM.

    Comment


    • #3
      Re: Would a MUGA test show if someone had HOCM?

      Multiple Gated Acquisition - MUGA for short - measures how well your heart is functioning as a pump, much like an echo does, but more accurately. The MUGA measures how much blood your heart pumps, or "ejects" with each contraction (EF) and how quickly that blood is ejected. EF is actually figured with a mathematical formula : EF = (end diastolic volume - end systolic volume) divided by (end diastolic volume - background). The nuclear camera (gamma camera) can separate left heart function from right heart function by using a certain view, called left anterior oblique.

      Because this test is very accurate for measuring EF, it is preferred by some doctors. However, MUGA equipment is both more scarce and more expensive than echo equipment. It requires an injection of a radioactive material and is also more uncomfortable for the patient. MUGA does not "see" valve disease as well as an echo. If you have lung disease, this is the test of choice to measure EF because echo does not work well for people with lung disease.
      Remember that with this test, images that are taken during irregular beats are rejected. That's why patients with multiple odd ventricular beats like PVCs require longer scan times to gather enough "good data." MUGA is not suited for patients with a really irregular heart rhythm. Echo has the same problem but not as badly.

      It is not the best way to detect HCM, but if one has been done it would likely be abnormal in HCM.

      Lisa
      Knowledge is power ... Stay informed!
      YOU can make a difference - all you have to do is try!

      Dx age 12 current age 46 and counting!
      lost: 5 family members to HCM (SCD, Stroke, CHF)
      Others diagnosed living with HCM (or gene +) include - daughter, niece, nephew, cousin, sister and many many friends!
      Therapy - ICD (implanted 97, 01, 04 and 11, medication
      Currently not obstructed
      Complications - unnecessary pacemaker and stroke (unrelated to each other)

      Comment


      • #4
        Re: Would a MUGA test show if someone had HOCM?

        Is this similar to a nuclear stress test?

        Reenie
        Reenie

        ****************
        Husband has HCM.
        3 kids - ages 23, 21, & 19. All presently clear of HCM.

        Comment


        • #5
          Re: Would a MUGA test show if someone had HOCM?

          NO stress involved an the technology is different, so is the equipment.
          It is a very good test, but not a great diagnostic tool for HCM.

          Lisa
          Knowledge is power ... Stay informed!
          YOU can make a difference - all you have to do is try!

          Dx age 12 current age 46 and counting!
          lost: 5 family members to HCM (SCD, Stroke, CHF)
          Others diagnosed living with HCM (or gene +) include - daughter, niece, nephew, cousin, sister and many many friends!
          Therapy - ICD (implanted 97, 01, 04 and 11, medication
          Currently not obstructed
          Complications - unnecessary pacemaker and stroke (unrelated to each other)

          Comment


          • #6
            Re: Would a MUGA test show if someone had HOCM?

            Thanks for answering Lisa. This question was asked for Dawn, she is the one who had the test done.

            Comment


            • #7
              Re: Would a MUGA test show if someone had HOCM?

              This statement is from Dawn to me after I had forwarded your replies:

              "My doctor knew that my family had a history of HOCM and he was
              satisfied that I had already had the echo years ago but ordered the muga to make sure my heart was strong enough to with stand the chemo.

              So I still think if I had it, something would have shown up at my late age...I can understand why you wouldn't want to use it as a diagnostic tool for someone younger. But I think if I had it, the test would have probably shown something "not right".....you know?"


              Lisa,

              Do you think her thinking is correct in her case?


              Comment


              • #8
                Re: Would a MUGA test show if someone had HOCM?

                I would still suggest a screening every 5 years.

                Lisa
                Knowledge is power ... Stay informed!
                YOU can make a difference - all you have to do is try!

                Dx age 12 current age 46 and counting!
                lost: 5 family members to HCM (SCD, Stroke, CHF)
                Others diagnosed living with HCM (or gene +) include - daughter, niece, nephew, cousin, sister and many many friends!
                Therapy - ICD (implanted 97, 01, 04 and 11, medication
                Currently not obstructed
                Complications - unnecessary pacemaker and stroke (unrelated to each other)

                Comment

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