IRCT2017091836266N1 IRCT 2017-10-28 Sabzevar University of Medical Sciences Evaluation The Effect of Heparin Density unit 1000 with 5000 in Blood Sampling on the Results of Arterial Blood Gases in Intensive care unit in hospitals of sabzevar city in 1396. Evaluation The Effect of Heparin Density unit 1000 with 5000 in Blood Sampling on the Results of Arterial Blood Gases in Intensive care unit in hospitals of sabzevar city in 1396. 2017-10-27 anticipated 152 Complete https://irct.ir/trial/27164 interventional Randomization: Not randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Heparine Sodium. Intervention 1: Equalize insulin syringes (manufactured by Iran Medical Company) with a 1000-heparin solution (for intervention group) for 1000 heparin units. One heparin injection of 5000 units of the Alborz Drug Company with four cc distilled water in one The 5-cc syringe of the Iran-Tehran Medical Product was diluted and delivered to the 5 th cc, of which every thirty thousand equals 1,000 units), at 0.1 Ml heparinized. Intervention 2: In the control group, based on the status quo, heparin ampoules of 5,000 units were found to be 0.1ml To insert the insulin syringes used for blood sampling, arterial blood gas was used.