A 70-year-old receives procedural sedation for cardioversion. Shortly after fentanyl and propofol, he becomes less responsive; SpO2 remains 98% on

Question

A 70-year-old receives procedural sedation for cardioversion. Shortly after fentanyl and propofol, he becomes less responsive; SpO2 remains 98% on oxygen, but respiratory effort is shallow. What is the most appropriate investigation?

Accepted Answer

Waveform capnography

Answer

Urine toxicology screen

Answer

Portable chest X-ray before airway support

Answer

Troponin level

Answer

Serum propofol concentration

Procedural sedation monitoring — RCPSC EM MCQ

A 70-year-old receives procedural sedation for cardioversion. Shortly after fentanyl and propofol, he becomes less responsive; SpO2 remains 98% on oxygen, but respiratory effort is shallow. What is the most appropriate investigation?