The efficacy of 1.5% lidocaine with 7.5% dextrose and epinephrine as an epidural test dose for obstetrics

R. A. Abraham, A. P. Harris, L. G. Maxwell, S. Kaplow

Research output: Contribution to journalArticle

Abstract

In obstetric patients, the subarachnoid injection of 2 ml of 1.5% lidocaine in 7.5% dextrose resulted in perineal (S-2) sensory block within 2 min. This block was easily differentiated from the slower onset of sensory loss observed following epidural injection. In addition, unintentional iv injections of the test dose were detected by transient increases inmaternal heart rate following administration of the test dose containing 15 μg epinephrine. We conclude that 2 ml of 1.5% lidocaine in 7.5% dextrose with 15 μg epinephrine will aid the differentiation between subarachnoid, epidural, and iv injection.

Original languageEnglish (US)
Pages (from-to)116-119
Number of pages4
JournalAnesthesiology
Volume64
Issue number1
DOIs
StatePublished - 1986

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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