A 49-year-old woman with a recently diagnosed adrenal pheochromocytoma requires drainage of a painful dental abscess before definitive tumour surgery. Her blood pressure is controlled with phenoxybenzamine, and the procedure will be performed with local anaesthesia. The dentist is considering a vasoconstrictor-containing preparation to prolong analgesia. Which one of the following is the safest local anaesthetic choice?
Keep going with ten more like this one.
Practise moreMore from Emergency and Toxicology
See allA 22-year-old man was struck on the right temple by a cricket ball three hours ago in a country town. He was briefly unconscious, then walked off the field and…
Pre-internship · middle twist
A 70 kg man requires debridement and suturing of an 18 cm laceration on his forearm in the emergency department. There is no adrenaline-containing local anaesth…
Mechanisms of disease · common
A 27-year-old man is brought in 20 minutes after his motorcycle struck a tree at speed. He is agitated, with a respiratory rate of 38/min, oxygen saturation 84%…
Clinical rotations · common
A 22-year-old woman is brought from a music festival by paramedics. She is agitated and confused, her temperature is 39.8 °C, pulse 132/min, blood pressure 158/…
Clinical rotations · middle twist
A 19-year-old woman presents six hours after taking 30 × 500 mg paracetamol tablets in a single impulsive act following an argument. She also took "a few&q…
Clinical rotations · common