The causes of sudden dizziness include physiological factors, cardiogenic and cerebral causes.
1. Physiological factors: when emotional excitement sympathetic nerve excitation, the brain’s oxygen consumption may increase, which can be manifested as standing suddenly dizzy. Calm down and rest for a period of time to return to normal.
2. Cardiogenic factors: when cardiogenic diseases attack, such as supraventricular tachycardia, ventricular tachycardia, etc., due to the decrease in the ejection volume of the heart, resulting in insufficient blood supply to the brain, sudden dizziness while standing.
3. Cerebral factors: when sudden transient cerebral hypoperfusion, acute cerebral infarction and other diseases, brain tissue ischemia and hypoxia or necrosis, resulting in sudden dizziness while standing.
Sudden dizziness while standing is a more serious manifestation, if the above situation occurs, it is recommended to go to the hospital for timely consultation, standardized diagnosis and treatment under the guidance of professional physicians to avoid aggravation of the condition.