case_images: PMC11269112_01
case_images: Underwent painless gastroscopic duodenal polypectomy.
case_images: fonc-14-1383523-g001.jpg
case_images: PMC11269112_01_fonc-14-1383523-g001.jpg
case_images: f1
case_images: At the end of the operation, the patient was injected with 0.5 mg flumazenil intravenously, and after 1 min, the patient woke up with the following vital signs: BP, 157/80 mmHg; HR, 73 bpm; SpO2, 99%; RR, 16 breaths/min; BIS, 96 ( Figures 1 ,  2 ).
case_images: Painless gastroscopic duodenal polypectomy under bispectral index monitoring.
case_images: fonc-14-1383523-g002.jpg
case_images: PMC11269112_01_fonc-14-1383523-g002.jpg
case_images: f2
case_images: At the end of the operation, the patient was injected with 0.5 mg flumazenil intravenously, and after 1 min, the patient woke up with the following vital signs: BP, 157/80 mmHg; HR, 73 bpm; SpO2, 99%; RR, 16 breaths/min; BIS, 96 ( Figures 1 ,  2 ).