corrode the inside wall of the blood vessel, and that the length of time depended on the concentration and different solutions used, the blood vessel, and the individual anatomy of the person involved.
Dr. Richardson, a plastic surgeon, testified that plaintiff was referred to him by Dr. Cannon and Dr. Swearingen, and he saw her at his office on October 10, 1966. His examination of her right arm revealed an area of skin necrosis and ulceration in the antecubital area. He explained that necrosis is a process of tissue losing life and actually dying and that ulceration is the result of loss of skin over the covering of the body, producing a raw area. He also defined the antecubital area as the elbow. The affected area was about 32 square inches, being basically four inches by eight inches and running from above the elbow to below the elbow.
Plaintiff entered St. Francis Hospital in Peoria on October 20, 1966, and dressings were applied daily to her arm to hasten the body process of determining which cells would live and which would die. On October 27, 1966, Dr. Richardson debrided, i.e., surgically removed the dead tissue, from her elbow. He then took a four-inch-by-eight-inch graft from her abdomen and applied it to her arm. She was released from St. Francis Hospital on November 17, 1966.
Plaintiff contends that there was sufficient evidence that both defendants were negligent and that their negligence was the proximate cause of plaintiff’s injury so that applying the rule of Pedrick v. Peoria and Eastern Railroad Co., 37 Ill.2d 494, the case should have been submitted to the jury. She argues that the manufacturer’s instructions furnished with the Sparine and the testimony of Dr. Palmer prove the professional standard of care which defendant was required to exercise and the causal relationship between his failure to comply with the required standard and her injury. Defendant Dr. Cannon contends that any negligence on his part, and the causal