Changes

I stumbled over this image the other day – mixing together two images. Yet recreated in R.

Subtracting from the day before – lag – gives this pattern in TSH and TRH when looked at through Simthyr.

For many of the registrations, you see that there is an opposite movement in TRH and TSH. Though there are registrations where this is not the case. What is the reason? I will, later on, dig into the patterns of the other parameters to look for an explanation.

Looking at TT4 and FT4 gives another picture

Subtracting from the day before – lag – gives this pattern in TT4 and FT4 when looked at through Simthyr.

During this time period, it seems as if both total and free T4 is dropping. I will, later on, insert either TSH or TRH to see if there is a pattern to comment on.

TT3 and FT3 have a pattern totally on their own:

Subtracting from the day before – lag – gives this pattern in TT3 and FT3 when looked at through Simthyr.

Subtle spikes of either FT3 or TT3 during one hour – this is interesting and totally different from the other patterns.

As can be seen – the TRH decrease and in this image, we can see the intervals of FT3 spikes shortens. (Update 23-11-2021) If this pattern also exists in vivo it means that it is difficult to capture the T3 changes as the halflife of T3 is short.

This post will be updated with the same data from a hypothyroid simulation – looking into the changes in the thyroid hormones during hypothyroidism. (19-11-2021)

Standard figures hour split into quartiles

1 q minutes2 q minutes3 q minutes4 q minutes
FT3_pmol.l



Max5.62335.62345.62355.6236
Mean5.6232675.6233445.6234335.623533
Min5.62325.62335.62345.6235
SD5E-055.3e-055E-055E-05
FT4_pmol.l



Max18.607718.610918.613718.6159
Mean18.60625618.60951118.612518.614911
Min18.604918.60818.611318.6139
SD0.000950.0010010.0008220.000672
TRHdiv1000



Max7.7204177.084416.2676836.641718
Mean4.6789923.7287013.7700224.005787
Min1.3528530.4511240.9398592.25577
SD1.842022.1545481.4358541.569699
TSH_mU.l



Max2.73152.68412.57692.4747
Mean2.6673112.6309672.4912.4117
Min2.57192.5572.42532.3814
SD0.0554730.0376120.0538880.030551
TT3_nmol.l



Max3.37963.37973.37973.3798
Mean3.37963.3796113.37973.379733
Min3.37963.37963.37973.3797
SD03.3e-0505E-05
TT4_nmol.l



Max128.4115128.434128.4528128.468
Mean128.401744128.424311128.444867128.461456
Min128.3923128.4142128.4363128.4546
SD0.0065330.0067750.0056930.00463

Update (22-11-2021)

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