1. Spinal anesthesia failed -> General anesthesia was administered, but tracheal intubation failed and the mother died due to lack of oxygen.
2. Just proceed with the surgery without using any other oxygen supply device.
3. It turns out that the anesthesiologist he was working with was also working in violation of the medical law.
The gynecologist was fined 8 million won, and the anesthesiologist was not even indicted.