The next level of blood loss occurs with the Class 3 hemorrhage, which references loss of 30 to 40 percent of total blood volume. This could be around 3 to 4 pints of blood, for those keeping track. Blood transfusion is usually necessary with a hemorrhage of this magnitude, according to Alton. âAt this point, the heart will be beating very quickly and is straining to get enough oxygen to tissues,â he said. âBlood pressure drops.
The salaries of doctors also vary greatly by concentration: Anesthesiologists are the highest-paid workers of 2011 at $234,950, while other high-paying medical positions include surgeons ($231,550), OB/GYNS ($218,610), and oral and maxillofacial surgeons ($217,380).
The survey, which reflects May 2014 salary and employment data gathered from more than 1 million businesses, found that 16 of the nation's top 30 highest-paying occupations are in the medical field. The best-paying job of all: anesthesiologist. On average, anesthesiologists in the US earn an average annual salary of $246,320. According to the American Society of Anesthesiologists, these medical doctors are responsible for the safety and well being of patients before, during, and after surgery.