 Patients with acute coronary syndrome present many physiological and psychological changes, especially anxiety, which can be more intense when the patient expects or experiences certain procedures, such as bed bath. The association of anxiety and acute myocardial infarction has shown negative impact on the prognosis of these patients. The anxiety causes activation of the sympathetic nervous system by increasing cardiac contractility, blood pressure, heart rate and oxygen consumption, worsening disease progression. Thus, minimizing the effects of patients anxiety in the face of various nursing procedures is essential to quality care. The anxiety can be reduced using medications andor nursing orientation. 