Guest guest Posted February 15, 2010 Report Share Posted February 15, 2010 Hi there, and thanks for all your useful comments & info. Apologies for being dumb - completely new to this rt3-ft3 ratio, t3 only treatment etc - but have had some lab tests done for the first time and struggling to get the rt3-ft3 ratio. My results: tsh ..2.6 ft4....1.33 ft3....4 (pg per ml) (range reference given as 2 to 4.5) rt3....2.3 (range reference 1.5 to 3.5 ng per ml) antibodies.. tpo 8.9, thg 10 If same units are used for both ft3 and rt3 - say ng per ml, then ratio seems ridiclously low to me (ie .004 divided by 2.3, since 1pg is .001ng I think). So assume that I am to put the decimal point where i think it should be - ie 4 divided by .23, which gives ratio of 17? Presuming ratio is 17, which looks close to normal would any one recommend t3 to take it up to 20 or would it be better just to leave things as they are? Have chronic fatigue (which came on suddenly after acute viral illness 15 years ago) and odd hypo background (diagnosed hypo aged 17, only to be told aged 20 that I was ok). For info, have been taking 25mcg of synthroid for one year (as last year got pretty desperate to try something to alleviate exhaustion) but this was not prescribed by my doctor (he just took tsh and free t4 tests and they came back normal) I suspect my tiredness is probably due to some other cause as these results seem ok to me but if any one has any comments would be gratefully received. Many thanks NB am currently overseas and lab does not offer the 24hr cortisol saliva levels (only able to do 24 urine cortisol which came back normal..80) also didnt get ferretin levels checked either) Quote Link to comment Share on other sites More sharing options...
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