Which of the following is not done before ABG?: (A) Allen test, (B) Heparin to rinse the syring, (C) Flexion of wrist, (D) Poking the aery at 45 degrees angle
Answer is C. Done Before ABG Allen test: integrity of palmer arch. Heparin: to rinse the syringe Poking the aery at 45-degree angle. Extend wrist joint: Radial Aery tent.