Medicine
The practice of medicine is based on diagnosis and treatment.A hundred years ago,the physician felt the pulse and came to various conclusions about illnesses.
He had only a few instruments to diagnose a disease.Within the last A hundred years, medical technology developed.Now the physician has sophisticated medical instruments to diagnose diseases.
X-ray machine that was invented in 1895, came into regular use.It was invented by Wilhelm Rontgen.With the help of this machine the doctors were able to see the inside of the body and diagnose diseases.In 1973 the CAT scan machine was invented.With this invention medical science was revolutionized.The patient is kept inside the machine and the body is scanned by X-ray.
The E.C.G machine was invented during the last century.It is used to find out how the heart works.The damage caused by a heart attack can be measured on this machine.
Medical technology continues to develop very rapidly.Today the changes of the body can be observed and measured.These findings are the key to diagnosing diseases and deciding treatment.
Medical science and technology has developed so much that surgeons transplant organs from one body to another.Kidney transplantation was first attempted in 1902.Today it is a well established operation.Heart transplantation was first performed in South Africa,in 1967.It was done by the surgeon,Christian Barnard.