Although anesthesia related deaths and patient awareness during surgery has significantly decreased in the past two decades, it is still a main concern of doctors and medical researchers equivalently. It is believed that about two decades ago the anesthesia related death rate was one in ten thousand but today it had plummeted to one in two hundred fifty thousand. The four main branches of anesthesia consist of: general anesthesia, conscious sedation, local anesthesia, and regional block anesthesia. Also, research has shown that pre-existing risk factors may be present in patients such as obesity, previous thrombopehbitis, type A blood, skin color

and concurrent sterilization. In addition to these risk factors, negligence in the operating room is on of the most considerable concerns of both the Anesthesia Patient Safety Foundation and the American Society of Anesthesiologists. Monitoring devices, such as the electroencephalograph machine, can have an immense affect on how...