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 What test is most accurate to measure EF 
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Joined: September 19th, 2005, 2:40 pm
Posts: 759
Post What test is most accurate to measure EF
Hi all,

on jan 1 i was in the hospital where i had an echo test done which showed my EF to be 28%.

Today i had nuclear stress test at my cardio office and the EF shows just 13%, what gives here. I asked cardio why so much difference, he was not able to give me a satisfactory answer, besides he told me that the dye and what ever chemical they injected for the purpose of nuclear stress test dilate ur heart and ur arteries, im wondering can that be the cause of the lower number. I feel quite well not any more short of breath than usual.

Please help.

God bless us all


January 24th, 2008, 6:24 pm
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Joined: August 29th, 2005, 5:59 am
Posts: 2150
Location: Lake Jackson Texas 77566
There are several ways to measure EF. They are all subjective. I think the important thing is not the EF reading, but the trend. Is is going up, or down? The only way to know that is to have the same test administered every time. Different tests will always give different answers. Using the same test each time will give a good indication of where the EF is progressing.


January 24th, 2008, 8:52 pm
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Joined: August 3rd, 2006, 3:46 pm
Posts: 178
Location: Mesa, Arizona
My echo test shows an EF of 45%. A nuclear stress test shows 35%. I talked to my EP yesterday and he says that the difference in figures is not unusual and he feels that the stress test is more accurate.

Joel in sunny Arizona

Medtronics Maximo 7232CX. Mexiletine 150MG 2X, Coreg CR 40MG 1x, Lisinopril 2.5MG 1X, Plavix 75MG 1X

3-life saving therapies and 1 electrical storm w/8 zaps

January 25th, 2008, 10:23 am
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