By W. G. Guder, S. Narayanan, H. Wisser, B. Zawta

This 3d up-to-date version comprises the most recent advancements in analytical strategies. a global workforce of authors summarizes the knowledge on organic affects, analytical interferences and at the variables affecting the gathering, shipping and garage in addition to practise of samples. They disguise age, gender, race, being pregnant, vitamin, workout and altitude, plus the consequences of stimulants and medicine. nationwide and overseas criteria are defined for sampling methods, shipping, pattern identity and all protection elements, whereas caliber insurance systems are proven for overall laboratory administration.

Show description

Read or Download Samples: From the Patient to the Laboratory: The Impact of Preanalytical Variables on the Quality of Laboratory Results PDF

Similar biological sciences books

Darwin on Humus and the Earthworm: The Formation of Vegetable Mould through the Action of Worms with Observations on Their Habits

The publication most sensible often called Worms, often called earthworms, used to be Charles Darwin's final medical ebook. He studied the earthworm habit and ecology. The bug ecology used to be the 1st very important paintings on soil bioturbation, the reformation of soils and sediments via animals or vegetation. the results of bioturbation encompass altering the feel of soil or diagenesis, the switch of sediments of sedimentary rocks into forming one other sedimentary rock in the course of and after rock formation.

The Formation of Vegetable Mould through the Action of Worms: With Observations on their Habits

This publication, released in 1881, was once the results of decades of experimentation and commentary via Darwin within the open-air laboratory of his backyard at Down condo in Kent. As he wrote in his creation, the topic of soil disturbance by way of worms 'may look a mere one, yet we will see that it possesses a few interest'.

Behavioral Embryology

Booklet by way of

Extra resources for Samples: From the Patient to the Laboratory: The Impact of Preanalytical Variables on the Quality of Laboratory Results

Example text

EDTA is discussed in the haematology chapter (p. 54). Citrate Sodium citrate also functions as an anticoagulant by chelating calcium. Sodium citrate is discussed in the coagulation chapter (p. 52). Glycolytic inhibitors Additives of colour coded tubes Plasma chemistry green/LH or NH Haematology and selected chemistry lavender/K2E or K3E determinations on plasma Coagulation light blue/9NC Glucose, lactate While the lithium salt of heparin is widely used to obtain plasma for clinical chemical analysis, blood collection tubes containing salts of sodium or ammonium heparin are also commercially available.

Glycolytic inhibitors Additives of colour coded tubes Plasma chemistry green/LH or NH Haematology and selected chemistry lavender/K2E or K3E determinations on plasma Coagulation light blue/9NC Glucose, lactate While the lithium salt of heparin is widely used to obtain plasma for clinical chemical analysis, blood collection tubes containing salts of sodium or ammonium heparin are also commercially available. Ammonium heparin may limit the blood urea nitrogen assay when ammonium ions are being measured (144).

Techniques of identification Upon arrival in the laboratory, the patient has to be identified from the information provided. This can be done visually by reading the name and ward from the label and request form, transferring this information to the laboratory chart and all subsamples. The latter requires the generation of a sub-numbering system which is linked to the individual and the day of analysis (usually no more than three digits long). Many institutions, however, use electronic means to transfer identification data: this can be done on-line using a hospital information system which transfers the basic data of the patient together with the request directly to the laboratory computer.

Download PDF sample

Rated 4.61 of 5 – based on 43 votes