During tooth extraction the patient suddenly grabbed his chest and lost consciousness. What will you do first after removing the tools and cotton swabs from his mouth?
A、30chestcompression.
B、5rescuebreaths.
C、anti-shockpositioning.
D、assessmentofthevitalsigns.
E、calltheEmergencyMedicalService.
发布时间：2025-08-04 06:43:36
