The y stethoscope

The y stethoscope The stethoscope talks A round metal probe and connected, a rubber hose then bifurcate, respectively by two metal earplugs have access to the doctor's ear - this is the stethoscope. The stethoscope, a diagnostic device for doctors, has never changed this image since the day it was born. Today, the stethoscope is finally looking for a new look. More than 200 years ago, French doctor Ryan? Langenke wants to help him make the right diagnosis by listening to the sounds of the patient's organs. 24 pitch cylinder, so he began to make the assembly into one will help him catch patient organ sound tube easy equipment - this is the first human medical history stethoscope. For more than 200 years, the stethoscope has not changed, either physically or functionally. As humans enter the 21st century, a U.S. company introduces a new concept of electronic stethoscope. Traditional stethoscope cannot capture the viscera faint but some of the very important biological sound, make the doctor cannot diagnosis in time, electronic stethoscope for this lack of research and development of traditional stethoscope. Electronic stethoscope configuration of computer chips, can make the viscera, such as a faint sound amplification 14 times, so that the doctors won't miss any valuable clues, easier to judge cardiopulmonary organs such as the possibility of the lesion. Ago, in a cluttered scene of the accident, emergency room busy and noisy ambulance, using traditional stethoscope for effective diagnosis, it is almost impossible. With the advent of electronic stethoscopes, the problem for surgeons will be history. 1, according to pinyin and sentence, write Chinese characters: The electronic stethoscope can be effective on the cao () ambulance. Contact the article for the title of the article. ___________________________________________________________ 3, what is the role of the dashes? Please sum up the characteristics of traditional stethoscope and electronic stethoscope in one sentence. Traditional stethoscope: __________________________________________________________ Electronic absorption diagnosis: __________________________________________________________ 5, understand the sentence: Today, the stethoscope is finally looking for a new look. (the "old look" of the stethoscope? What do you mean by "old looks"?) ___________________________________________________________________ ___________________________________________________________________ The problem of surgeons will be history. What does it mean to be a history? ____________________________________________________________________ _____________________________________________________________________ "What is this deficiency in the development of an electronic stethoscope, which is designed for the shortage of traditional stethoscopes?" The subject of the stethoscope: The evolution of stethoscope from ancient to present. 3, explanation Traditional stethoscope: the ability to hear the sound of a patient's organ but not to capture a few faint but important biological sounds; Electronic stethoscope: amplifies the faint sound of biological sound, such as a viscera, 14 times. (1) "old look" refers to a cylinder which can help him to hear the sound of a patient's organ. "New face" means a round metal probe, connected to a rubber tube, and then split.Two metal earplugs are plugged into the doctor's ear, which is the stethoscope. The "old look" refers to the decisive change in the appearance and function of the stethoscope. (2) "the troubles" refers to the messy scene of the accident, emergency room busy and noisy ambulance, using traditional stethoscope for effective diagnosis, it is almost impossible. "To be a history" means to be a thing of the past, and now there is a solution to this problem. 6, "this" refers to the traditional stethoscope cannot capture the viscera faint but some of the very important biological sound, make the doctor cannot diagnosis in time.