Question

1. What particular surgery was unknown before 1893?
2. What is pericardium?
3. What is open heart surgery?
4. What kind of cardiac surgery is done nowadays?
5. What medicines used to be given for heart patients before 18937
6. Make verb forms.
i) Complications ii) Operation
iii) Modern
iv) Treatment​

Answer 1

Surgery is the branch of medicine that deals with the physical manipulation of a The concept of infection was unknown until relatively modern times. The first progress in combating .

The pericardium is a membrane, or sac, that surrounds your heart. It holds the heart in place and helps it work properly. Problems with the pericardium include. Pericarditis - an inflammation of the sac.