Search results
Results from the WOW.Com Content Network
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.
Laughter-induced syncope is an unusual but recognized form of situational syncope (fainting) likely to have a similar pathophysiological origin to tussive syncope. One reported case occurred while a patient was watching the television show Seinfeld, and was given the name Seinfeld syncope.
Syncope ((syncope ⓘ), commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. [1] It is caused by a decrease in blood flow to the brain , typically from low blood pressure . [ 1 ]
Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint.The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring.
For example, a patient may laugh in response to sad news or cry in response to stimuli with no emotional undertone, or, once provoked, the episodes may switch from laughing to crying or vice versa. [3] The symptoms of PBA can be severe, with persistent and unremitting episodes. [4] Characteristics include:
Panic attacks are associated with many different symptoms, with a person experiencing at least four of the following symptoms: increased heart rate, chest pain, palpitations (i.e. feeling like your heart is pounding out of your chest), difficulty breathing, choking sensation, nausea, abdominal pain, dizziness, lightheadedness (i.e. feeling like ...
The most common stimulus is a painful event. The child turns pale (as opposed to blue) and loses consciousness with little if any crying. The EEG is also normal, and there is no postictal phase, nor incontinence. The child is usually alert within minutes. There may be a relationship with adulthood syncope. [4] Complicated breath-holding spells
Physiological causes include fainting, sleep disorders, and heart arrhythmias. [ 2 ] [ 3 ] Psychological causes are known as psychogenic non-epileptic seizures . [ 3 ] Diagnosis may be based on the history of the event and physical examination with support from heart testing and an EEG .