Answer :
The correct answer Orthostatic hypotension. Orthostatic hypotension, also known as postural hypotension, is a type of low blood pressure that occurs after sitting or lying down and when standing up.
The supine position may obstruct venous blood flow return to the heart and may result in orthostatic hypotension, which may lead to lightheadedness and fainting.
What is orthostatic hypotension?
When you suddenly rise up from a sitting or prone (lying down) position, you experience orthostatic hypotension. You can feel lightheaded or even dizzy.
An orthostatic posture is one that is upright. Blood pressure is low in hypotension. The term "postural hypotension" is another name for this kind of low blood pressure.
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