Cardiac neurosis may present with one day of dizziness, which varies from person to person. Cardiac neurosis is a clinical syndrome characterized by symptoms associated with cardiovascular disease, but without pathologic changes of organic heart disease. The symptoms of cardiac neurosis are numerous, but the physical signs and test results are not abnormal. Patients with cardiac neurosis mainly present with palpitations, chest tightness, dyspnea, and may even experience pain and a sense of near death. In addition to cardiac symptoms, other systemic manifestations such as dizziness, headache, insomnia, anxiety, depression, sweating and other clinical symptoms may also occur. So patients with cardiac neurosis may experience dizziness for a day. When symptoms similar to cardiac neurosis occur, please seek medical treatment promptly for standardized treatment.