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Ejection Fractions
avatar
Samanthasue posted:
My husband had an echo and his ejection fraction was 40-49%. Then he had an exercise perfusion test and at rest his ejection fraction was 36% and after stress it was 41% - or at least that's what the doctor's receptionist read off of the report. Are those horrible numbers?

Sue
Reply
 
avatar
cardiostarusa1 responded:
Hi:

General info

Understanding Your Ejection Fraction

http://my.clevelandclinic.org/heart/disorders/heartfailure/ejectionfraction.aspx

Additionally, as reported, left ventricular ejection fraction (LVEF) can vary (to a certain degree, should increase about 5% during vigorous exercise) throughout the day, and can vary from one type of diagnostic imaging test/modality to another, such as non-invasive echocardiogram, **MUGA scan/ERNA (reported as being the most accurate of the non-invasive methods, yields reproducible results), gated-SPECT scan with Cardiolite or Myoview (common nuclear stress test), Cardiac PET, Cardiac MR/MRI, and invasive X-ray angiography (heart catheterization).

**To get a decent estimate of LVEF, a MUGA scan is reported as being the most accurate of the non-invasive methods.

Pertinent excerpt from an About. com article - Richard N. Fogoros, M.D.

When is the MUGA scan more useful than other heart tests?

The advantages of the MUGA scan over other techniques (such as the echocardiogram) for measuring the LVEF are twofold
. First, the MUGA ejection fraction is highly accurate, probably more accurate than that obtained by any other technique. Second, The MUGA ejection fraction is highly reproducible. That is, if the LVEF measurement is repeated several times, nearly the same answer is always obtained. (With other tests, variations in the measured LVEF are much greater.)

.Best of luck to your husband and you down the road of life.

Take care,

CardioStar*

WebMD member (since 8/99)

-

-

Quote!

"Be a questioning patient. TALK to your DOCTOR and ASK QUESTIONS. Studies show that patients who ask the most questions, and are most assertive, get the best results. Be vigilant and speak up!"

- Charles Inlander, People's Medical Society

.

WebMD/WebMD forums does not provide medical advice, diagnosis, or treatment.


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