forward estimation

forward estimation

A formulaic estimation of a person’s likely blood alcohol concentration after consuming a known amount of alcohol, which may be of interest in a medicolegal context (e.g., drink driving-related accident/injury).

Sources of error
Exact amount of alcohol consumed, amount absorbed, individual Widmark factor.

Forward estimation formula
CT = CO - (beta x T)

CT = Time of interest
CO = Known time
Beta = Rate of elimination mg alcohol/100 ml blood/hour
T = Time since drinking began
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