Laboratory artifacts caused by various sample collection times and types in cardiovascular disease

Cardiovascular diseases is a common disease and induces high mortality.Blood tests are very important for the diagnosis,prognosis,monitoring and treatment of CVD.Clinicians are frequently presented with laboratory test results that are not consistent with preconceived expectations for a given case.It has been confirmed that pre-analytical quality control may be influenced by factors such as the time of sample collection.In this article different times and styles of sample collection are discussed.(Chin J Lab Med,2013,36:573-574) Key words: Blood specimen collection; Laboratory techniques and procedures; Cardiovascular diseases; Time factors