The anesthesia provider has just administered an epidural anesthetic in a laboring patient and local anesthesia is continuously infusing via the epidural catheter. Suddenly, the patient asks, "Why are my ears ringing?"
What is the most likely cause of the patient's complaint?
1. Hypotension
2. Allergic reaction
3. Dehydration
4. Local anesthetic toxicity
Correct Answer: 4
Rationale 1: Although maternal hypotension is associated with epidural anesthesia, a sensation of ringing in the ears is associated with local anesthetic toxicity.
Rationale 2: Sensation of ringing in the ears is associated with local anesthetic toxicity.
Rationale 3: Sensation of ringing in the ears is associated with local anesthetic toxicity.
Rationale 4: Sensation of ringing in the ears is associated with local anesthetic toxicity.
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