The main function: 1.Simulate cardiopulmonary auscultation signs: Each instrument can simulate auscultation signs of 34 types of infant

cardiopulmonary diseases, including: changes in heart rate, heart rhythm, heart sounds, abnormal heart sounds, heart

murmurs, etc. Auscultation signs of various lung diseases, including pathological breath sounds, various dry and wet rales, etc;

2.Simulate the palpation signs of cardiopulmonary diseases: It can

simulate the palpation signs of various cardiopulmonary diseases,

including: various systolic phases, diastolic phases, and continuous

precordial fine tremor (cat's wheezing), etc;

3.Skills assessment function: The assessment content of

cardiopulmonary palpation and auscultation is digitally called through

the keyboard, allowing students to answer the location and

characteristics of physical signs after performing cardiopulmonary

palpation and auscultation, and then the teacher evaluates the students' practical skills.