National Dental Assisting Examining Board (NDAEB) Practice Exam

Should patients with a history of heart conditions use local anesthetics with vasoconstrictors?

1. Yes, they are safe to use

2. No, they should not use them

3. Only under special monitoring

4. Only if they are on medication

The correct answer is: No, they should not use them

Patients with a history of heart conditions are generally advised against using local anesthetics that contain vasoconstrictors due to the potential for increased cardiovascular effects. Vasoconstrictors, such as epinephrine, are added to local anesthetics to prolong their effect and minimize bleeding at the site of injection. However, these agents can raise heart rate and blood pressure, which may pose significant risks to patients with pre-existing heart conditions, such as hypertension, arrhythmias, or coronary artery disease. The potential for adverse reactions, including myocardial ischemia or other cardiovascular events, makes it crucial for dental professionals to exercise caution. In cases where a patient has a history of heart problems, alternative local anesthetics without vasoconstrictors are often recommended to minimize these risks. It is important for the dental team to conduct thorough medical history assessments and collaborative decision-making with the patient's healthcare provider when considering anesthesia options for these individuals.