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bloodwork

Page 11 of 12 · 284 questions tagged bloodwork.

284 questions · sorted by votes · page 11 of 12

8 votes 5 answers6.9k views
How should I sequence baseline labs, first dose, and first re-test?

The clinician who ordered the panel was not concerned; I would still like to understand it. I would like to set this up properly once, rather than adjust it…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
titration
titration

Stepwise dose increases over weeks, why the label schedules exist at all, and what tolerability-driven deviation from a schedule looks like in…

444 questions
asked by ines_brandt 93k · 8 months ago
8 votes0 answers3.7k views
Is AST worth drawing at baseline before starting semaglutide?

For reference: AST · semaglutide. I would like to define my thresholds before I have a result, for obvious reasons. I want a plan with explicit stopping rules, not…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
asked by Dr_Idris_Coulibaly 40k · 8 months ago
7 votes5 answers14k views
Is ALT worth drawing at baseline before starting a GLP-1 receptor agonist?

Setup, so nobody has to ask: ALT · a GLP-1 receptor agonist. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
pcos
pcos

Polycystic ovary syndrome: insulin resistance as the shared mechanism, ovulatory and menstrual outcomes reported on treatment, androgen changes,…

14 questions
asked by one_ml_bac 12k · 13 months ago
7 votes 5 answers9.3k views
What is a sensible monitoring routine for semaglutide over twelve weeks?

The case in front of me: semaglutide · twelve weeks. I want to decide this in advance so that I am not deciding it under pressure later. Assume I will follow the plan…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
plateau
plateau

A stall in progress: distinguishing adaptive thermogenesis from measurement error from adherence drift, how long to observe before changing…

35 questions
asked by cake_intact 18k · 17 months ago
7 votes 5 answers8k views
How do I interpret a magnesium trend across three draws?

The clinician who ordered the panel was not concerned; I would still like to understand it. I would like to know the limits of what can be inferred from this. What I…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by g_paskevicius 44k · 16 months ago
7 votes5 answers7.5k views
Do liver enzymes tell me anything useful about hepatic fat?

I have three data points across nine months, which I hope is enough to see a trend. I suspect the usual explanation for this is wrong, or at least incomplete. I am…

liver-enzymes
liver-enzymes

ALT, AST, GGT and ALP: what they do and do not indicate about hepatic fat, why enzymes are a poor surrogate for histology, and where non-invasive…

50 questions
mash
mash

Metabolic dysfunction-associated steatohepatitis: histological endpoints, resolution without worsening fibrosis, fibrosis improvement by stage,…

51 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by ahmed_zerouali 19k · 4 months ago
7 votes0 answers1.7k views
Why did my albumin-to-creatinine ratio move after sixteen weeks on oral semaglutide?

Numbers first: albumin-to-creatinine ratio · sixteen weeks · oral semaglutide. I have a result I cannot explain, and I would rather diagnose it than guess. I have…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by nynke_dekker 18k · 4 months ago
6 votes4 answers25k views
Does albumin-to-creatinine ratio tell me anything about hepatic fat on retatrutide?

What I have: albumin-to-creatinine ratio · retatrutide. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring…

liver-enzymes
liver-enzymes

ALT, AST, GGT and ALP: what they do and do not indicate about hepatic fat, why enzymes are a poor surrogate for histology, and where non-invasive…

50 questions
mash
mash

Metabolic dysfunction-associated steatohepatitis: histological endpoints, resolution without worsening fibrosis, fibrosis improvement by stage,…

51 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by tandem_gradient 85k · 2.1 years ago
6 votes 5 answers24k views
Is a micronutrient panel worth drawing after six months of low intake?

I have three DEXA scans on the same scanner at twelve-week intervals, fasted, same time of day. This is a planning question. I know what my options are; I do not know…

nutrition
nutrition

Eating on a suppressed appetite: hitting nutritional targets inside a small energy budget, micronutrient risk, meal structure, and what the trial…

92 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
hair-loss
hair-loss

Telogen effluvium following rapid weight loss versus a drug-attributable effect: the timing signature that distinguishes them, protein and…

14 questions
asked by eoin_mcgarry 16k · 2.2 years ago
6 votes 5 answers23k views
Why did my potassium move after three weeks on a GLP-1 receptor agonist?

For reference: potassium · three weeks · a GLP-1 receptor agonist. An unexpected observation, and I would like a differential rather than reassurance. The conditions…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
renal-outcomes
renal-outcomes

Kidney endpoints: the FLOW composite, eGFR slope as an endpoint, albuminuria regression, and why an early eGFR dip is expected rather than alarming.

14 questions
asked by fill_volume 13k · 21 months ago
6 votes 3 answers6.7k views
Does triglycerides tell me anything about hepatic fat on semaglutide?

For reference: triglycerides · semaglutide. I would like the mechanism, because I want to be able to reason about the cases nobody has written about. I have tried to…

liver-enzymes
liver-enzymes

ALT, AST, GGT and ALP: what they do and do not indicate about hepatic fat, why enzymes are a poor surrogate for histology, and where non-invasive…

50 questions
mash
mash

Metabolic dysfunction-associated steatohepatitis: histological endpoints, resolution without worsening fibrosis, fibrosis improvement by stage,…

51 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by kofi_mensah 12k · 5 months ago
6 votes0 answers4.6k views
Why did my eGFR move after six weeks on liraglutide?

What I have: eGFR · six weeks · liraglutide. Before I write this off, I want to check whether it is a known failure mode. I have the lot number, the certificate and…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by tamsin_wray 13k · 18 months ago
6 votes0 answers4.1k views
Is triglycerides a better monitoring choice than LDL-C on mazdutide?

The particulars: triglycerides · LDL-C · mazdutide. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments for each…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by ekaterina_volk 16k · 21 months ago
6 votes0 answers3.9k views
Is creatinine a better monitoring choice than cystatin C on semaglutide?

Setup, so nobody has to ask: creatinine · cystatin C · semaglutide. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
hormones
hormones

Endocrine changes accompanying substantial weight loss: sex hormone binding globulin, testosterone, oestradiol, cortisol and the reproductive…

14 questions
asked by greta_holzmann 15k · 8 months ago
5 votes 5 answers25k views
What interval makes sense for repeating creatinine on a GLP-1 receptor agonist?

What I am working with: creatinine · a GLP-1 receptor agonist. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
asked by mala_venkatesh 21k · 2.0 years ago
5 votes5 answers25k views
Does creatinine tell me anything about hepatic fat on a GLP-1 receptor agonist?

What I am working with: creatinine · a GLP-1 receptor agonist. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody…

liver-enzymes
liver-enzymes

ALT, AST, GGT and ALP: what they do and do not indicate about hepatic fat, why enzymes are a poor surrogate for histology, and where non-invasive…

50 questions
mash
mash

Metabolic dysfunction-associated steatohepatitis: histological endpoints, resolution without worsening fibrosis, fibrosis improvement by stage,…

51 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by area_percent 13k · 22 months ago
5 votes 5 answers24k views
Does magnesium tell me anything about hepatic fat on oral semaglutide?

Concretely: magnesium · oral semaglutide. This is one of those things that everyone repeats and nobody derives. This matters practically, not just academically,…

liver-enzymes
liver-enzymes

ALT, AST, GGT and ALP: what they do and do not indicate about hepatic fat, why enzymes are a poor surrogate for histology, and where non-invasive…

50 questions
mash
mash

Metabolic dysfunction-associated steatohepatitis: histological endpoints, resolution without worsening fibrosis, fibrosis improvement by stage,…

51 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by assay_blank 39k · 22 months ago
5 votes5 answers21k views
What interval makes sense for repeating creatinine on cagrilintide?

What I am working with: creatinine · cagrilintide. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not tight, and…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
asked by nine_point_nine 45k · 22 months ago
5 votes 5 answers19k views
Does levothyroxine absorption change with delayed gastric emptying?

This is a question about interpretation, not about whether to act — I will take action questions elsewhere. The empirical answer seems settled. The explanation does…

thyroid
thyroid

Thyroid questions: the rodent C-cell findings behind the labelled warning, human calcitonin data, TSH drift during weight loss, and the…

14 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by yuki_morishita 19k · 16 months ago
5 votes 5 answers17k views
Is ALT a better monitoring choice than AST on survodutide?

Setup, so nobody has to ask: ALT · AST · survodutide. Both of these get recommended confidently by different people, which suggests neither is obviously right. My…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by otto_brenner 19k · 19 months ago
5 votes5 answers13k views
Does HbA1c tell me anything about hepatic fat on tirzepatide?

Concretely: HbA1c · tirzepatide. This is one of those things that everyone repeats and nobody derives. This matters practically, not just academically, because it…

liver-enzymes
liver-enzymes

ALT, AST, GGT and ALP: what they do and do not indicate about hepatic fat, why enzymes are a poor surrogate for histology, and where non-invasive…

50 questions
mash
mash

Metabolic dysfunction-associated steatohepatitis: histological endpoints, resolution without worsening fibrosis, fibrosis improvement by stage,…

51 questions
bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
asked by birk_nordahl 20k · 19 months ago
5 votes 5 answers13k views
What interval makes sense for repeating LDL-C on cagrilintide?

What I am working with: LDL-C · cagrilintide. I am trying to build something sustainable rather than something thorough that I will abandon. I have already decided…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
asked by tyndall_haze 48k · 2.3 years ago
5 votes 5 answers6.9k views
Why did my GGT move after four weeks on orforglipron?

Concretely: GGT · four weeks · orforglipron. I think I have a problem. I am not yet sure whether it is a real problem or a measurement artefact. I want to know…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by swab_and_wait 15k · 18 months ago
5 votes 1 answer5.3k views
Which panels are actually worth drawing at baseline?

I have the full paper rather than the abstract, and the supplementary appendix. I have read the obvious sources and they disagree with each other, so I would rather…

bloodwork
bloodwork

Laboratory monitoring: which panels are worth ordering, sensible intervals, reference-range versus optimal-range arguments, and how to read a…

284 questions
a1c
a1c

Glycated haemoglobin as a ninety-day glycaemic average: what a change of half a point means, why it lags, and the conditions under which it…

108 questions
lipids
lipids

Lipid response on treatment: triglycerides, LDL-C, non-HDL-C, ApoB and Lp(a), which of them move with weight loss, and why a fasting panel drawn…

112 questions
asked by area_percent 13k · 11 months ago