In North America, the DSM-IV or DSM-5 criteria are often used for diagnosis, while European countries usually use the ICD-10. With the DSM-IV criteria a diagnosis of ADHD is 3â4 times more likely than with the ICD-10 criteria. It is classified as neurodevelopmental psychiatric disorder.
In orthostatic hypotension, the blood pressure drops when the body is in an upright standing position, as compared to a reclining position. Sometimes the sudden dip causes a brief dizzy spell or head rush. In severe cases it may cause a person to faint. âSometimes people can have it and not feel a thing,â Jones says.n orthostatic hypotension, the blood pressure drops when the body is in an upright standing position, as compared to a reclining position. Sometimes the sudden dip causes a brief dizzy spell or head rush. In severe cases it may cause a person to faint. âSometimes people can have it and not feel a thing,â Jones says.
When your heart does not have enough blood to pump through your arteries, your blood pressure can drop significantly. Symptoms of low blood pressure can include dizziness, fainting, nausea, pale skin, fatigue and rapid breathing.A severe drop in pressure can even cause oxygen deprivation, as your heart cannot pump enough oxygenated blood throughout your body, leading to heart and brain damage.hen your heart does not have enough blood to pump through your arteries, your blood pressure can drop significantly. Symptoms of low blood pressure can include dizziness, fainting, nausea, pale skin, fatigue and rapid breathing.