What are the causes of elevated blood pressure?

1, emotional factors

emotional excitement, will make sympathetic nerve increased, leading to increased heart rate, myocardial contractility, cardiac ejection capacity enhancement, so that blood volume in the blood vessels increased, causing high blood pressure.

2, dietary factors

salt contains sodium ions and chloride ions, usually prefer to eat salty food, will lead to sodium ion and chloride ion intake too much, so that the osmotic pressure in the blood changes, resulting in increased extracellular fluid, sodium retention, resulting in high blood pressure.

3, nephrotic syndrome

patients due to abnormal kidney function so prone to sodium retention, leading to increased blood volume in the blood vessels, resulting in high blood pressure.