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.
However, it induces a deep state of relaxation, and a feeling of not being bothered by what is happening. Additionally, the drugs used for IV Sedation produce either partial or full memory loss (amnesia) for the period of time when the drug first becomes effective until the time that it wears off.