Bruising is an unpleasant result of subcutaneous injection of Enoxaparin, which causes physical discomfort,
limitation of injection site, patient's refusal of treatment, and distrust in nurses’ ability. The application of
techniques which reduce patients’ fear, anxiety, and physical damage is one of the tasks of nurses. This
clinical trial investigated the effect of duration of subcutaneous Enoxaparin injection on the bruising size in
acute coronary syndrome patients