Trough level

Trough level

In medicine, a trough level is the lowest level that a medicine is present in the body. In a medicine that is administered periodically, the trough level should be measured just before the administration of the next dose in order to avoid overdosing. It should be contrasted with a "peak level", which is the highest level of the medicine in the body, and the "average level", with is the mean level over time.


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  • Level — Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to which,… …   The Collaborative International Dictionary of English

  • Level of the sea — Level Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to… …   The Collaborative International Dictionary of English

  • trough — [ trɔf ] noun count 1. ) a long narrow open container used for holding food or water for animals: a cattle trough 2. ) a low area between two high waves or hills: The boat lay almost helpless in the trough of the waves. 3. ) a period when… …   Usage of the words and phrases in modern English

  • Trough — The transition point between economic recession and recovery. The New York Times Financial Glossary * * * trough trough [trɒf ǁ trɒːf] noun [countable] FINANCE ECONOMICS the lowest point in a series of prices, values etc: • the pea …   Financial and business terms

  • trough — The transition point between economic recession and recovery. Bloomberg Financial Dictionary * * * trough trough [trɒf ǁ trɒːf] noun [countable] FINANCE ECONOMICS the lowest point in a series of prices, values etc: • the peaks …   Financial and business terms

  • Trough (meteorology) — A trough is an elongated region of relatively low atmospheric pressure, often associated with fronts. Unlike fronts, there is not a universal symbol for a trough on a weather chart. In the United States, a trough may be marked as a dashed line.… …   Wikipedia

  • trough — UK [trɒf] / US [trɔf] noun [countable] Word forms trough : singular trough plural troughs 1) a long narrow open container used for holding food or water for animals a cattle trough 2) a low area between two high waves or hills The boat lay almost …   English dictionary

  • trough — [trɒf] noun [C] 1) a long open container that is used for holding food or water for animals 2) a period when something that rises and falls regularly is at a low level the peaks and troughs in demand[/ex] …   Dictionary for writing and speaking English

  • a spirit level — Level Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to… …   The Collaborative International Dictionary of English

  • Air level — Level Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to… …   The Collaborative International Dictionary of English

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