A clinician has administered an injection for a restorative procedure. The patient immediately becomes anxious and restless, clutching his chest. The clinician reassures the patient in a calm voice after which the patient's breathing slows and he feels calmer. Which of the following describes what has likely occurred?
A) Local anesthetic overdose
B) Vasoconstrictor overdose
C) Hypersensitivity reaction to the sulfite preservative
D) Mild myocardial infarction

Question

Quizplus · Accepted Answer

The symptoms of anxiety, restlessness, and chest discomfort immediately after an injection are indicative of a vasoconstrictor overdose, which can cause cardiovascular stimulation. The calming of symptoms after reassurance suggests a transient reaction rather than a severe medical event.

A Clinician Has Administered an Injection for a Restorative Procedure