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16 Απρ 2024 · That's because blood pools in your legs temporarily when you stand up, and it takes the body a moment to compensate by squeezing blood out of the large veins in your legs and revving up the heart a bit. The dizziness may strike after you eat a meal, because digestion diverts blood flow and may lower your blood pressure.
7 reasons you're dizzy after standing up, from dehydration to POTS, and when to call your doctor
26 Μαΐ 2022 · Orthostatic hypotension — also called postural hypotension — is a form of low blood pressure that happens when standing after sitting or lying down. Orthostatic hypotension can cause dizziness or lightheadedness and possibly fainting. Orthostatic hypotension can be mild. Episodes might be brief.
11 Σεπ 2023 · Why do I feel dizzy, tired, weak, and nauseous when I stand up? Standing up can cause a blood pressure decrease, called orthostatic hypotension. The decrease can result in symptoms like...
3 Δεκ 2022 · Dizziness has many possible causes, including inner ear disturbance, motion sickness and medication effects. Sometimes it's caused by an underlying health condition, such as poor circulation, infection or injury. The way dizziness makes you feel and your triggers provide clues for possible causes.
Dizziness or light-headedness when standing up occurs as a result of abnormal blood pressure regulation. Normally, when people stand, gravity causes blood to pool in the veins of the legs and trunk. This pooling lowers the blood pressure and the amount of blood the heart pumps to the brain.
It's common to sometimes feel dizzy, lightheaded or off-balance, and it's not usually serious. See a GP if you're worried. Check if you have dizziness. Dizziness includes feeling: off-balance; giddy; lightheaded or faint; like you're spinning or things around you are spinning ; How you can treat dizziness yourself. Dizziness usually goes away ...
