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Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
Flammer syndrome is a described clinical entity comprising a complex of clinical features caused mainly by dysregulation of the blood supply. It was previously known as vascular dysregulation. [1] It can manifest in many symptoms, such as cold hands and feet, and is often associated with low blood pressure.
Low blood pressure and a fast heart rate after the event may indicate blood loss or dehydration, while low blood oxygen levels may be seen following the event in those with pulmonary embolism. [1] Routine broad panel laboratory testing detects abnormalities in <2–3% of results and is therefore not recommended.
Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular.. Myoclonus (myo-"muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a dis
A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
Essential tremor (ET), also called benign tremor, familial tremor, and idiopathic tremor, is a medical condition characterized by involuntary rhythmic contractions and relaxations (oscillations or twitching movements) of certain muscle groups in one or more body parts of unknown cause. [6]
The twitching of the right eye could be seen as a heightened sensitivity to energies and a potential awakening of one's intuition. Some believe that it signifies an opening of the third eye.
Three main changes are seen in the mechanism of Raynaud's phenomenon which are reduced blood flow, blood vessel constriction, and neurogenic, inflammatory, and immune responses. It is induced by mental stress and a cold atmosphere. In all cases, the primary cause is an underlying hyperactivation of the sympathetic nervous system. Although, with ...