What are the causes of erectile dysfunction? What examinations are needed for erectile dysfunction

1. Medical history

Due to the issue of performance involving both spouses, patiently listen to the accounts of both spouses when judging the patient's performance. Some patients may find it difficult to perform, and can also use written or table filling methods. The main content includes: ① the cause of erectile dysfunction, disease duration, severity; ② whether erection can be achieved during nighttime, morning wake-up, masturbation, and visual stimulation; ③ whether changes in sexual intercourse position affect erection hardness; ④ changes in sexual desire and ejaculation; ⑤ psychological and psychological trauma caused by society and family; ⑥ history of chronic diseases, drug use, and surgical trauma; ⑦ smoking, alcoholism A history of drug use.

Based on medical history, there is a preliminary impression of the differentiation between psychological and organic erectile dysfunction. Psychological erectile dysfunction is more common in young adults, with a history of psychological trauma, sudden, intermittent, or encountering sexual erectile dysfunction, normal erection at night or during masturbation, and no changes in sexual desire or ejaculation function. There is no history of trauma, surgery, chronic disease, or long-term medication use.

2. Physical examination

Each patient should undergo a comprehensive systematic examination, with a focus on the development of the reproductive system, secondary sexual characteristics, and cardiovascular and neurological examinations. Abnormal development of the reproductive system and secondary sexual characteristics usually indicates a decrease in primary or secondary gonadal function and endocrine erectile dysfunction caused by pituitary lesions. Unclear dorsalis pedis artery or disappearance of bulbocavernosus muscle reflex, and delayed perineal sensation indicate the possibility of vascular or neurological erectile dysfunction.