What department should a 20 year old young man visit to find out the cause of high blood pressure?

A 20 year old young man should usually be referred to cardiovascular medicine for the cause of his hypertension, but serious complications such as hypertensive crisis should be referred to the emergency department.
Hypertension belongs to the category of cardiovascular medicine, therefore, people who have symptoms related to this disease should consult this department to identify the cause of the disease and then carry out targeted treatment.
Common causes of hypertension in young patients include genetic factors, poor lifestyle habits, obesity, kidney disease, endocrine disease, etc., and there may be individual differences in the causes of the disease.
However, it should be noted that hypertensive patients may develop hypertensive crisis, hypertensive encephalopathy, heart failure, aortic coarctation and other serious acute complications. Severe headache, impaired consciousness, dyspnea, and severe chest pain are the main characteristics, and if any of the above situations occur, they need to go to the emergency department for resuscitation.
To summarize, the department of 20-year-old hypertensive patients need to be selected according to the urgency of the patient’s condition, and when it is difficult to judge, relevant professionals should be consulted, so as to avoid delaying the timing of the treatment, resulting in adverse consequences.