What is the primary purpose of administering oxygen to a patient with chest pain?

The primary purpose of administering oxygen to a patient experiencing chest pain is to preserve heart muscle by improving oxygen delivery. In cases of chest pain, especially when it is associated with conditions like myocardial ischemia or infarction, the heart muscle may not be receiving adequate oxygen due to partial or complete blockage of coronary arteries. Administering oxygen helps to increase the availability of oxygen in the bloodstream, which can alleviate the strain on the heart and reduce damage to the myocardial tissue.

Additionally, improving oxygen delivery is crucial for maintaining sufficient metabolic function of the heart muscle cells, facilitating their recovery and potentially preventing more severe complications. While comfort, preparation for transport, and addressing respiratory distress are important considerations in overall patient care, the immediate priority in the context of chest pain is to optimize oxygenation to protect the heart.