Overview Vapocoolant Spray Effectiveness On Arterial Puncture Pain: Randomized Double Blind Placebo-Controlled Trial Status: Completed Trial end date: 2013-06-01 Target enrollment: Participant gender: Summary This study was aimed to compare pain levels from arterial blood gas (ABG) sampling performed with vapocoolant spray in comparison to placebo. Phase: N/A Details Lead Sponsor: Tehran University of Medical Sciences