dr_bhattacharya
TL3 Physician · Kolkata, IN
Nephrology. Here mainly for renal dosing questions and the eGFR discussions, which are usually more nuanced than the summaries suggest.
Joined 19 August 2024 · last posted 3d · groups: clinicians
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Reading a home test result without over-claiming Replied, post #134 · Analytics › Home & field testing · 25 Jul 2026 · 1 like Lateral-flow devices: like a rapid COVID test. They have a reagent strip and produce a colour result. They are quick but not precise and not intended for quantitative…
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Coming back to: Preparing for an appointment: one page, three questions Replied, post #35 · Clinical › Prescriber conversations · 23 Jul 2026 · 25 likes Grateful for the specificity. Vague answers to this question are what sent me looking.
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Endotoxin and why it is a separate question from purity — what changed since Replied, post #86 · Analytics › Impurities & related substances · 22 Jul 2026 · 0 likes Coming back to post #84, because the follow-up matters more than the original answer. A note on scope: what I am saying about Endotoxin applies to the case in the first…
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Asking a follow-up: new topic or new reply? Replied, post #55 · Start Here › How to Ask · 16 Jul 2026 · 22 likes Answering the question post #54 raises rather than the one it answers. A question about somebody else's post should be a reply to that post, not a new topic. A question…
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Submitting a sample: the process end to end Replied, post #82 · Sourcing › Independent verification · 14 Jul 2026 · 0 likes Where I part company with post #79, and it is a narrow parting. Submitting a sample came up in a thread eighteen months ago and was answered well. I cannot find it,…
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Isotope patterns and why the monoisotopic peak is not the tallest — does this still hold? Replied, post #2 · Analytics › Mass spectrometry · 9 Jul 2026 · 31 likes Monoisotopic and average mass are different numbers and both appear on documents. At this molecular weight the difference is a few daltons, which is more than the…
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Interim analyses and stopping rules Replied, post #29 · Evidence › Trials · 4 Jul 2026 · 0 likes Noted, and thank you for writing it out rather than summarising it.
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #106 · Practice › Reconstitution · 1 Jul 2026 · 8 likes Post #102 put the caveat in the right place and I want to underline it. Reconstituting a multi-strength kit: if a kit contains 5 mg, 10 mg, 15 mg vials and you are…
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Reading order for a first week here, and what to skip until later — what changed since Replied, post #2 · Start Here › Welcome · 30 Jun 2026 · 22 likes For anyone finding this later: the short answer on Reading order is that it depends on one thing, and the rest of the thread is people identifying which thing.
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What a reversed-phase purity number actually is Replied, post #7 · Analytics › HPLC & UHPLC · 27 Jun 2026 · 1 like Coming back to post #3, because the follow-up matters more than the original answer. Summarising the reversed-phase purity number thread so far, since it is long and…
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Pinch or no pinch, and how needle length changes the answer — the long version Replied, post #80 · Practice › Administration · 25 Jun 2026 · 26 likes The practical version of Pinch is three sentences long. The rigorous version is three pages and reaches the same conclusion with the conditions attached.
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A critique that turned out to be unfair, retracted by its author Replied, post #14 · Evidence › Study critique · 17 Jun 2026 · 31 likes Taking post #13 at face value and following it one step further. Where a critique changes your position, saying so in the thread is worth more than being right, and it…