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Reflex syncope can occur in otherwise healthy individuals, and has many possible causes, often trivial ones such as prolonged standing with the legs locked. [ citation needed ] The main danger of vasovagal syncope (or dizzy spells from vertigo) is the risk of injury by falling while unconscious.
Rhythmic movement disorder (RMD) is a neurological disorder characterized by repetitive movements of large muscle groups immediately before and during sleep often involving the head and neck. It was independently described first in 1905 by Zappert as jactatio capitis nocturna and by Cruchet as rhythmie du sommeil . [ 1 ]
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 ...
These processes cause the typical symptoms of fainting: pale skin, rapid breathing, nausea, and weakness of the limbs, particularly of the legs. [3] If the ischemia is intense or prolonged, limb weakness progresses to collapse. [3] The weakness of the legs causes most people to sit or lie down if there is time to do so.
"pounding in the neck" or neck pulsations, often due to cannon A waves in the jugular vein, pulsations that occur when the right atrium contracts against a closed tricuspid valve. [ 3 ] Palpitation associated with chest pain suggests coronary artery disease , or if the chest pain is relieved by leaning forward, pericardial disease is suspected.
Back pain. When your back aches and there’s no obvious cause (like lifting heavy boxes or falling), inflammation could be the root cause. Inflammatory back pain tends to come on gradually and ...
Benign fasciculation syndrome (BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. [1] The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet.
Other causes can include acid reflux ... keep in mind that pillows that are stacked too high can bend your neck in a way that can obstruct proper airflow. ... adding a pillow between your legs and ...