The objective of this study was to identify and to analyse the nursing diagnoses of patients post-percutaneous transluminal coronary angioplasty, based on the Taxonomy II of the North American Nursing Diagnosis Association International and ones the Horta’s Conceptual Model. It was developed and validated a questionnaire for data collection, based on the basic human needs. Twenty adult patients were participants of this study, from the first 12 hours after the procedure, and majority of them men, from 29 to 80 years old, married with incomplete primary education. It has been identified obesity in 30% of the patients and the practice of smoking in 45% ones. Nineteen nursing diagnoses have been identified, the most frequent has been: impaired physical mobility, integrity of impaired skin, in self deficit for intimate hygiene, risk of injury in the kidney and risk of infection, increased control of the treatment regimen, pain acute in the inguinal region. The nursing diagnoses were highlighted by physiological changes in post-recovery period of examination, which shows that the nursing team must be aware the hemodynamic changes and conditions that promote stability, as well, to assess the patient based on a theory, in the post-procedure, for identifying the nursing diagnosis.