<qa>  What was the purpose of the study?This studys general objective was to evaluate the efficacy of nursing orientation to reduce the anxiety of patients with acute coronary syndrome undergoing bed bath. The specific objectives included: the development and validation of an informative manual concerning bed bath; correlation of physiological variables systolic and diastolic blood pressure and heart and respiratory rate with the patients state anxiety; correlation of antecedent variables age, gender, cardiovascular risk factor, use of beta blockers, trait anxiety, depression, prior hospitalization, prior experience with bed baths, the patients preference for a female or male professional to perform the bath, pain, fear, and embarrassment with the patients state anxiety. 