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en.wikipedia.org/wiki/Trough_level

In medicine and pharmacology, a trough level or trough concentration is the lowest ... The usual criterion is concentration in the blood serum, although in some ... A trough level is contrasted with a "peak level", which is the highest level of the ...

labtestsonline.org/understanding/analytes/vancomycin/tab/test

Feb 24, 2015 ... This test is used to monitor levels of the antimicrobial drug vancomycin in the ... The trough and sometimes peak values are used by clinical ...

labtestsonline.org/understanding/analytes/therapeutic-drug/start/1

Jan 14, 2014 ... These tests are used to monitor blood levels of particular drugs that ... to expect peaks and troughs and will request blood sample collections as ...

labtestsonline.org/understanding/analytes/cyclosporine/tab/test

Dec 23, 2013 ... High levels of cyclosporine in peak samples are correlated with ... 12 hours after the last dose or just before the next dose (trough levels).

sdrl.com/pt.html

Typically, the blood level reaches a high point, or "peak," about 3 to 4 hours after ... The trough level at 24 hours should be at least 150 to 200 ng/mL, or 400 ... the clinical utility of this has not yet been established and testing for the ratio of ...

www.labcorp.com/test-menu/31101/methadone-peak-level-serum-or-plasma

Jul 14, 2017 ... Methadone can be detected in blood 15 to 45 minutes after oral administration, ... in patients given the same dose.2 The rate-of-change ratio between peak and trough ... This test is intended for therapeutic monitoring only.

medical-dictionary.thefreedictionary.com/peak+and+trough+specimens

serum samples collected to determine the level of an antibiotic or other pharmaceutic agent in the blood. Peak specimens, which represent the highest level, are ...

janaburson.wordpress.com/2015/04/19/confusion-over-methadone-peak-and-trough-levels

Apr 19, 2015 ... I usually check peak and trough blood levels when I suspect a patient ... Lab tests aren't an adequate substitute for talking to the patient and ...

www.dovemed.com/common-procedures/procedures-laboratory/gentamicin-trough-level-blood-test

Sep 7, 2015 ... Facts about Gentamicin Trough Level Blood Test, why is the laboratory ... Gentamicin levels in blood follow a classic peak and trough pattern.