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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Epidural anaesthesia is initiated in Primigravida at 38 weeks gestation, with a bolus of 15mg of Bupivacaine. Within few minutes, fetal heart rate monitoring shows variable decelerations. If scalp pH reveals fetal acidosis, compared with a normal pH, the anaesthetic absorbed by fetus will be present in
assistant
The correct answer is  Local anaesthetics, being basic drugs become more ionized at low fetal pH. Ionized molecules are thus trapped on fetal side of circulation.