Chapter 114: Questioning authority? I am the authority!

"An elderly man went home after buying groceries. After climbing to the sixth floor, he suddenly felt pain in the precordial area. The pain started from the precordial area and then radiated upward to the left shoulder. How should this disease be treated?" As soon as this question appeared, many people fell into deep thought. Because the question involves the heart, and heart-related diseases are very complicated, in order to accurately determine what disease the elderly person is suffering from,...