Medical MCQ - A surgeon decides to operate a patient under epidural anesthesia. 3% Xylocaine with adrenaline is used for administering epidural anesthesia. The patient suddenly develops hypotension after 3 minutes of administration. What is the most likely cause for this?

A surgeon decides to operate a patient under epidural anesthesia. 3% Xylocaine with adrenaline is used for administering epidural anesthesia. The patient suddenly develops hypotension after 3 minutes of administration. What is the most likely cause for this?

Systemic absorption of the drug

Vasovagal effect

Allergy to the drug preparation

Penetration into the subarachnoid space

Question Category:

Correct Answer:

Penetration into the subarachnoid space

Description:

Ans: D. Penetration into the subarachnoid space(Ref: Miller 7/e p1895: Barash 5/e p1478, 2405)Penetration of drug into the subarachnoid space sholy causes cardiovascular symptoms like hypotension.Systemic absorption of drugs causes neurological symptoms before hypotension.Vasovagal shock occurs immediately, i.e. even before the needle for epidural anesthesia is injected.

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