Which of the following is not a common complication when using local anesthetics?

Impaired taste sensation is not considered a common complication of local anesthetic use. This side effect may occur as a result of specific situations, such as performing a nerve block in close proximity to the facial nerve (particularly the lingual nerve), but it is not a widespread or regular outcome of local anesthesia procedures.

In contrast, anaphylaxis, while rare, is a severe allergic reaction that can occur with any medication, including local anesthetics. Local tissue necrosis can occur due to direct neurotoxicity of the anesthetic or inadequate blood flow, especially with certain techniques where ischemia may prevail. Cardiac arrest, although also rare, can happen as a serious complication typically related to the inadvertent intravascular administration of local anesthetics, leading to systemic toxicity and severe adverse effects such as arrhythmias.

Thus, given these considerations, impaired taste sensation does not have the same level of incidence or serious risk associated with it compared to the other options listed.