EVIDENCE LIBRARY
Hospital Blood Tests
Browse source-supported forensic toxicology guides in this subject area.
Oct 20, 2026
A 56-person dose-response study found alcohol affected cognitive tests differently at ~0.048% breath-reported BAC. Learn what normal scores cannot prove.
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Oct 20, 2026
A 2026 study proposes a 43-minute correction for BAC below 0.15‰. See its evidence, sample sizes, analytical limits, and forensic uncertainty.
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Oct 20, 2026
A controlled repeat-dose study explains why breath and venous blood can yield different ethanol kinetic estimates—and why model precision is not a DUI BAC prediction interval.
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Oct 20, 2026
A controlled on-road alcohol trial measured lane keeping and auditory recall in novice and experienced drivers. What do BAC estimates and SDLP actually prove?
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Oct 20, 2026
Does freezing preserve plasma ethanol for a DUI retest? An 80-driver study at -20 °C found decreases after 2–5 months, with critical forensic limits.
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Oct 20, 2026
Feeling less drunk does not prove lower BAC. Examine a 20-man alcohol challenge, self-rated sensitivity, measured BAC and first-pass metabolism limits.
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Oct 20, 2026
A 2021 serum HS-GC-MS study validated ethanol and congener measurement—not a clock for post-crash drinking. Review detection limits, precision and forensic limits.
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Oct 20, 2026
Can a blood EtG/EtS ratio date a last drink? A 26-person study found a group-mean timing fit, not a validated personal forensic clock.
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Oct 20, 2026
A 967-case drowning study found four low-positive blood ethanol results with negative urine. Learn what postmortem fermentation evidence can—and cannot—prove.
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Oct 20, 2026
Can PEth form after a blood draw? A 2021 LC-MS/MS study found PEth artifacts in wet blood and some dried-blood devices, but not open filter cards.
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