Final answer:
Vasopressin is an alternative to epinephrine for the treatment of cardiac arrest and it is usually administered intravenously. It is not the first-line treatment but it has vasopressor and antidiuretic properties, making it a useful medication in certain critical situations.
Step-by-step explanation:
The most accurate statement regarding the administration of vasopressin during cardiac arrest is that it is an alternative to epinephrine. Vasopressin, also known as antidiuretic hormone (ADH), has vasopressor activity, which can lead to vasoconstriction, and its administration in cases of cardiac arrest can sometimes be used as an alternative to the more commonly used epinephrine. Vasopressin can also increase blood pressure during hemorrhaging, a property helpful in managing certain critical conditions. However, it is not the first-line drug for cardiac arrest treatment, nor is it contraindicated. It is also sometimes used to address life-threatening esophagealus bleeding, especially in alcoholics. Vasopressin is typically administered intravenously during resuscitation efforts.