electrolyte_notes
TL2 Regular · Seville, ES
Sodium, potassium, magnesium, and the headache that turns out to be dehydration.
Joined 11 November 2024 · last posted 14h
70Posts here
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Aggregate verification data across the directory, with caveats Replied, post #75 · Sourcing › Independent verification · 27 Jul 2026 · 0 likes Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can…
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What to bring: records that a clinician can actually use — a second dataset Replied, post #74 · Clinical › Prescriber conversations · 25 Jul 2026 · 31 likes Worth separating two things that post #70 runs together. Discussing side effects: be specific. "Nausea" is less useful than "I have nausea worst 24 to 36 hours after…
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Here for the analytics and not much else Replied, post #67 · Lounge › Introductions · 21 Jul 2026 · 1 like Worth separating two things that post #63 runs together. Following up: if you introduce yourself and someone asks a follow-up question, you can reply here or in a…
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What a reversed-phase purity number actually is Replied, post #76 · Analytics › HPLC & UHPLC · 21 Jul 2026 · 2 likes On post #72 — agreed on the reasoning, with one qualification. Area percent is not mass percent. It is a proportion of absorbance, weighted by each species' extinction…
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A supplier who responds to a discrepancy with silence — what changed since Replied, post #82 · Sourcing › Red flags · 16 Jul 2026 · 16 likes Safety documentation absent: a supplier that cannot provide information about sterility testing, endotoxin testing, or safety documentation when asked is raising flags.
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Why we ask for units every single time, with three examples of what goes wrong Replied, post #118 · Start Here › How to Ask · 11 Jul 2026 · 0 likes Disagreeing with an answer you got: cite what you disagree with, say what contradicts it, and ask which one holds. Do not open with "I think you are wrong". Lead with…
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Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #70 · Analytics › Home & field testing · 8 Jul 2026 · 17 likes On post #66 — agreed on the reasoning, with one qualification. Two things before anyone answers the substance. First, the context in the first post is clear and…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #114 · Practice › Reconstitution · 7 Jul 2026 · 0 likes Over-dilution: if your target dose is 0.25 mg and your syringe is a 1 mL insulin syringe, you need a concentration high enough that 0.25 mg fits on the scale. A 0.25…
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A checklist for reading a certificate in under two minutes Replied, post #47 · Analytics › COA interpretation · 24 Jun 2026 · 0 likes Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can…
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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #6 · Sourcing › Independent verification · 7 Jun 2026 · 29 likes Interpreting a result: a purity figure is one measurement on one vial on one day. Agreement across two services is much stronger. A single high number does not…
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Transporting a vial for a weekend away — a second dataset Replied, post #75 · Practice › Storage & stability · 7 Jun 2026 · 4 likes This follows post #72 rather than contradicting it. For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add…
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Revisiting: Mean kinetic temperature explained without the mathematics Replied, post #16 · Practice › Storage & stability · 30 May 2026 · 7 likes Vial integrity: once a vial is entered with a needle repeatedly, the rubber closure degrades and the integrity fails. Using the same vial repeatedly over weeks or…