The words tijera and tijeras can be used interchangeably in Spanish to refer to a single pair of scissors.
Both IV sedation (twilight) and general anesthesia are used commonly for cosmetic or plastic surgery. Regardless of technique, the patient's vital signs must be monitored, which include but not limited to heart rate, blood pressure, and breathing rate.
Anesthetic techniques used in the office setting range from local infiltration and sedation to general anesthesia. Sedation is recognized to be as a continuum from anxiolysis, moderate sedation/analgesia (conscious sedation), deep sedation/analgesia, to general anesthesia.