What do anaerobic and aerobic sa and sn mean in blood culture bottles?

Standard oxygen bottle

Sn: standard anaerobic bottle

Blood culture is an artificial culture method in which fresh blood samples in vitro are inoculated on nutrient medium, under certain conditions such as temperature and humidity, bacteria with high nutritional requirements grow and reproduce, and then they are identified, so as to determine the pathogenic bacteria.

Clinical diagnosis: Blood culture is an important method for clinical diagnosis of sepsis, and positive results have important application value for definite diagnosis and symptomatic treatment. However, according to the literature, the positive rate of blood culture in China is only 17. 8% and 18.4%. In order to improve the positive rate of blood culture and objectively reflect the actual situation of pathogenic bacteria in blood of septicemia patients, clinicians accurately select blood culture, and the clinical laboratory carefully separates and identifies it.

reference data

Baidu encyclopedia:/item/%E8% a1%80% E5% 9f% B9% E5% 85% bb/5313555? Fr = Aladdin