Which of the following acts as a common therapeutic modality in treating chest pain?

Oxygen is often utilized as a therapeutic modality in the management of chest pain, particularly in cases where the pain is indicative of potential myocardial ischemia or a cardiovascular event. Chest pain can arise from a variety of causes, including those that reduce oxygen delivery to the heart. By administering oxygen, the goal is to increase the availability of oxygen for the heart muscle, thereby reducing the likelihood of damage and alleviating the pain associated with insufficient oxygen supply.

While other treatments like beta blockers, analgesics, and thrombolytics have specific roles in treating certain types of emergent conditions, they do not have the same immediate role in addressing chest pain across different etiologies. For instance, beta blockers are typically used to manage heart rate and blood pressure, analgesics primarily relieve pain but do not address the underlying cause, and thrombolytics are specifically indicated for the treatment of blood clots in acute myocardial infarction situations. Oxygen, on the other hand, serves as a universal first response to improve oxygenation, making it a common and essential therapeutic modality in the context of chest pain.