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Orthostatic hypotension, also known as postural hypotension, [2] is a medical condition wherein a person's blood pressure drops when they are standing up (orthostasis) or sitting down. Primary orthostatic hypotension is also often referred to as neurogenic orthostatic hypotension. [ 3 ]
Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
In contrast to orthostatic hypotension (OH) in which neurodegenerative diseases might underlie, postural orthostatic tachycardia syndrome (POTS) in which psychiatric diseases might underlie responds to psychiatric intervention/ medication, or shows spontaneous remission. [44] [45]
Orthostatic circulatory disease refers to a cluster of conditions related to circulation, including orthostatic hypotension and varicose veins. The findings were confirmatory of the risks related ...
Orthostatic intolerance (OI) is the development of symptoms when standing upright that are relieved when reclining. [1] There are many types of orthostatic intolerance. OI can be a subcategory of dysautonomia , a disorder of the autonomic nervous system [ 2 ] occurring when an individual stands up. [ 3 ]
Orthostatic syncope refers to syncope resulting from a postural decrease in blood pressure, termed orthostatic hypotension. [1]Orthostatic hypotension occurs when there is a persistent reduction in blood pressure of at least 20mmHg systolic or 10mmHg diastolic within three minutes of standing or being upright to 60 degrees on the head-up tilt table.
The most common cause of the latter is orthostatic hypotension (also called postural hypotension). Fever, hyperventilation, diarrhea and severe infections can also cause tachycardia, primarily due to increase in metabolic demands. [citation needed]
Orthostatic headache is a medical condition in which a person develops a headache while vertical and the headache is relieved when horizontal. [ 1 ] [ 2 ] Previously it was often misdiagnosed as different primary headache disorders such as migraine or tension headaches.