You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 25 year old G2P, at 39 weeks gestation is electing to have spinal anaesthesia for a repeat cesarean section. 5 minutes after bupivacaine spinal injection, the patient becomes hypotensive and is complaining of tingling in her fingers with subjective difficulty breathing. Her oxygen saturation remains 100% and blood pressure in 90/60 mmHg The most likely etiology is. and explain in detail?
In pregnancy, CSF volume is decreased, thereby decreasing dose requirement of local anaesthetic. This facilitates spread of local anaesthetic when spinal anaesthesia is given.
Option D would have been correct, if question mentioned Epidural anaesthesia.