IRCT2017030732939N1 IRCT 2017-09-02 Vice Chancellor for research of Shahid Beheshti University of Medical Sciences Effect of family presence on anxiety of acute coronary syndrome patients at cardiac care unit. - Effect of family presence on anxiety of acute coronary syndrome patients at cardiac care unit. 2017-06-22 anticipated 60 Complete https://irct.ir/trial/25547 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Other design features: Assignment of study groups is parallel. N/A Anxiety. Intervention 1: Control group: Without action/ Routine cares without family presence beside patient during the hospitalization and assessing the level of patient's anxiety in first and third day of hospitalization. Intervention 2: Intervention group:patient's family presence from the first day until the third day of hospitalization and assessing the level of patient's anxiety in first and third day and at last comparing with control group.