20 17 Examination Center for Basic Nursing of Intern Nurses: An Introduction to Hospital Infection.

Let's take a look at the friends who are going to take the 20 17 nurse qualification exam. 20 17 basic nursing examination center for intern nurses: a brief introduction to hospital infection? All right! I hope it will help everyone.

(A) the concept

Hospital infection, also known as hospital-acquired infection, refers to the infection of patients, visitors and hospital staff in the hospital, which can occur in the hospital or shortly after discharge. The occurrence of nosocomial infection is due to the existence of infection chain, which consists of three links: infection source, transmission route and susceptible host. In the hospital, infection can only be formed if the three factors exist at the same time and have the opportunity to contact each other.

(2) Classification

Endogenous infection, also known as autoinfection, refers to the infection caused by normal flora or conditional pathogenic bacteria living in patients with low immune function. ② Exogenous infection, also known as cross infection, refers to direct infection between patients, patients and staff, or indirect infection through water, air and medical equipment.

(C) the main factors of hospital infection

(1) Pathogens have a wide range of sources, serious environmental pollution, collection of various pathogens, insufficient hospital sanitation facilities or improper treatment of pollutants. ② The susceptible population increased. ③ Development and use of a large number of new antibiotics. ④ Various invasive diagnosis and treatment methods have increased. ⑤ Medical staff do not know enough about the severity of nosocomial infection.