Result: Among these four parts for puncture, epicranial artery was the best to collect bloodgas sample, next is radiral artery, then humeral artery and femomal artery.

Objective To study the influence,interference and corrective measures of different hemolysis sample on the accuracy of conventional chemical test.

Objective To investigate the isolation rate,antibiotic susceptibility and ESBLs′ genotypes of the Escherichia coli strains isolated from local blood samples.

Analysis of the nursing defects and countermeasures in the process of collecting blood specimen;

Results:In terms of the puncture achievement ratio,quality of blood specimen and blood collecting time of test group were better than that of control group.

Application of computer data management system in blood sample collection of patients;

Objective To reduce the suffering from repeating punctures required by frequent blood sample collection during the treatment for oncology patients;and to minimize the interference when drawing blood samples from PICC(peripherally inserted central catheter).

Objective To explore the influence of quality control in blood sample management.