Cardiovascular diseases (CVDs) are the leading cause of death globally. Morbidity and disability related to non-fatal events are increasing exponentially. There are several symptoms that may arise after invasive therapeutic approaches such as coronary artery bypass graft (CABG), including chronic pain in anatomical areas connected to the mediastinum; these pains can be found not only initially after surgery but also years later. We present a case where non-specific neck pain (NNP), in a patient undergoing CABG five years earlier, was resolved with an osteopathic technique, working the pericardial area. To the knowledge of the authors, it is the first article illustrating an osteopathic approach with resolution of NNP, with a manual technique used on the pericardial area.