vialroom

#bloodwork 2025-12-12

Friday46 messages10 participantstimes are UTC
Highlights from this day
  • two_three_lifts — a single weird electrolyte is very often a handling artefact. retest before you worry, from memory 11:32
  • two_three_lifts — get fasting insulin at baseline. you cannot go back and get it once you have started 12:00
  • retention_time — ferritin and b12 fall quietly when you are barely eating. check them twice a year 13:15
  • reta_resting_hr — slightly off topic but nobody here is reading your bloods as a clinician. we are reading them as people who have had a lot of bloods 15:23
  • electrolyte_eli — thats normal, for what its worth 17:19
YV

if you only get one thing, get a fasting insulin. it is the one that becomes impossible later

ferritin is low, is that the drug or the not eating

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TT

a single weird electrolyte is very often a handling artefact. retest before you worry, from memory

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a1c is a ninety day average. retesting at week six tells you almost nothing

TT

if a result frightens you, that is a conversation with a clinician. we will help you read it, we will not tell you it is fine

get fasting insulin at baseline. you cannot go back and get it once you have started

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RT

i pay privately for fasting insulin because nobody will order it for me otherwise

too early for a1c

SS

update from 15 months ago: a1c down, apob unchanged, and i am genuinely annoyed about the apob

thyroid moving slightly is common enough that i would repeat it before doing anything, thats just me

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RT

ferritin and b12 fall quietly when you are barely eating. check them twice a year

baseline  58
wk 2      61
wk 4      64
wk 6      67
wk 8      66
wk 10     65   (held dose from wk 7)
LM

an isolated lipase a bit over range with no symptoms is usually nothing. lipase with severe pain is not, n of 1 obviously
i had a potassium that came back high and the repeat was normal. the tube had been knocked about

SS

the most useful thing i did was get a full panel before i started. everything since has been comparable

good numbers

Cited study
Effects of Semaglutide on Chronic Kidney Disease in Type 2 Diabetes (FLOW)
New England Journal of Medicine · 2024
Renal outcomes. The one that changed a lot of nephrologists’ minds.
SS

homa-ir is fasting glucose times fasting insulin over a constant. the constant differs by unit system

SS

fast properly or do not bother. an eight hour fast and a twelve hour fast are different tests, for what its worth

LM

my potassium came back weird and the retest was normal, whats that about

retest it

apob is the better marker and it is harder to get. i track both because i can only get one reliably

slightly off topic but nobody here is reading your bloods as a clinician. we are reading them as people who have had a lot of bloods

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probably dehydration

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LM

right so alt and ast coming down as you lose liver fat is common and is a good sign

RR

is it too early to retest a1c at week 26
alt and ast coming down as you lose liver fat is common and is a good sign

SS

right so if your glucose is in mg/dL the divisor is 405. if it is mmol/L it is 22.5
a1c is a ninety day average. retesting at week six tells you almost nothing

probably dehydration

SS

i had a potassium that came back high and the repeat was normal. the tube had been knocked about

do you fast for the full 12 hours or is 8 enough

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