Читать книгу Respiratory Medicine - Stephen J. Bourke - Страница 90

Normal values are listed in Table 3.1.

A sample of arterial blood may be obtained from any artery, but the radial artery at the wrist and the brachial artery in the antecubital fossa are the sites most commonly used. The blood enters the heparinised needle and syringe under its own pressure with a pulsatile action. The syringe containing the arterial blood is capped, placed in ice and analysed in the laboratory within 30 minutes of sampling.