Falsely Elevated Digoxin LevelsAnother Look
作者:
期刊:
Therapeutic Drug Monitoring
(OVID Available online 1989)
卷期:
Volume 11,
issue 5
页码: 572-573
ISSN:0163-4356
年代: 1989
出版商: OVID
关键词: Drug levels;Toxicity.
数据来源: OVID
摘要:
Digoxin therapy can cause important toxic events when elevated drug levels occur. Interpreting drug levels can be hampered by artifactual errors such as poor assay quality, incorrect timing or drawing of blood samples, and, as has been demonstrated for tobramycin, errors due to drawing blood through drug administration catheters. A case is reported in which a correctly timed and analyzed digoxin level of 33.60 ng/ml may have been due to drawing the blood sample through a line used to administer digoxin eight hours earlier. Subsequent measurements by venipuncture documented much lower concentrations.
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