r.ekstrom
TL2 · Valencia
Contributes reviews on supplier material. Based in Valencia.
Joined 1 May 2025 · last posted 11d
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Why I now write the concentration on the vial in marker Replied, post #6 · Practice › Reconstitution · 17 Jul 2026 · 2 likes Everything in post #4 holds. The case it does not cover is the one I have. Over-dilution: if your target dose is 0.25 mg and your syringe is a 1 mL insulin syringe, you…
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Reference intervals: how they are constructed and why one in twenty flags — does this… Replied, post #16 · Clinical › Bloodwork · 12 Jul 2026 · 2 likes Adding the measurement that post #15 says would settle it. A request rather than an answer: could whoever has the primary source for Reference intervals post it? I have…
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Secretagogues and glucose tolerance: the mechanistic concern Replied, post #57 · Compounds › Secretagogues & GH axis · 1 Jul 2026 · 1 like Secretagogues and glucose tolerance: there is a mechanistic concern that sustained growth hormone elevation might impair glucose tolerance. The clinical relevance of…
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Angle of injection and whether 90 degrees is always right — the long version Replied, post #33 · Practice › Administration · 27 Jun 2026 · 0 likes Injecting into an area that has become firm: lipohypertrophy — thickened fatty tissue from repeated injection in one area — changes local tissue absorption. Avoid…
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Specificity, linearity, accuracy, precision, range, robustness — with real criteria Replied, post #34 · Analytics › Method validation · 24 Jun 2026 · 16 likes Second this, and I would have said it less carefully.
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Purity assay versus content assay: two different numbers Replied, post #8 · Analytics › COA interpretation · 22 Jun 2026 · 12 likes A document that puts the specification in the result column has told you the release criterion rather than the measurement. Those are different claims and the…
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Revisiting: Theoretical plates: useful number or ritual? Replied, post #14 · Analytics › HPLC & UHPLC · 19 Jun 2026 · 10 likes Retention time is only comparable within a laboratory on a given method. Quoting a retention time across two reports as evidence of identity is not a valid comparison.
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Manufacturer assistance programmes and their eligibility rules Replied, post #35 · Access › Pricing · 19 Jun 2026 · 0 likes Practical answer on manufacturer assistance programmes, since the theoretical one is upthread: do the simplest check first, write down the result, and only then decide…
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Insurance and replacement policies, compared Replied, post #19 · Sourcing › Logistics · 14 Jun 2026 · 11 likes Answering the question post #16 raises rather than the one it answers. Anyone deciding whether a delay is a problem should ask what would change if they waited another…
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What a good consultation looks like from the other side Replied, post #49 · Clinical › Prescriber conversations · 12 Jun 2026 · 4 likes A methods point on good consultation rather than a substantive one: if the comparison is not like for like, the difference you are measuring is the difference in method.
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Why we ask for units every single time, with three examples of what goes wrong Replied, post #30 · Start Here › How to Ask · 10 Jun 2026 · 23 likes I read post #29 twice before replying, because I had assumed the opposite. Timeline questions need the timeline. Dates, in order, with what happened on each. "A while…
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Tracking semaglutide's approved indications across jurisdictions, dated Replied, post #10 · Compounds › Semaglutide · 8 Jun 2026 · 3 likes Appetite effects and gastrointestinal effects are frequently reported together and are not the same mechanism reported twice. Slowed gastric emptying contributes to…