Reflex syncope is a brief loss of consciousness due to a neurologically induced drop in blood pressure and/or a decrease in heart rate. Before an affected...

as syncope. Causes range from non-serious to potentially fatal. There are three broad categories of causes: heart or blood vessel related; reflex, also...

Reflex asystolic syncope (RAS) is a form of syncope encountered mainly, but not exclusively, in young children. Reflex anoxic seizures are not epileptic...

stimulates the Bezold–Jarisch reflex and results in reflex vasodilation and syncope. Spinal anesthesia: The Bezold–Jarisch reflex has been suggested as a possible...

A frequent type of syncope, termed vasovagal syncope is originated by intense cardioinhibition, mediated by a sudden vagal reflex, that causes transitory...

(September 2014). "Midodrine for orthostatic hypotension and recurrent reflex syncope: A systematic review". Neurology. 83 (13): 1170–1177. doi:10.1212/WNL...

syncope and unexplained falls often have coexisting conditions such as carotid sinus hypersensitivity, orthostatic hypotension, and vasovagal syncope...

"Usefulness of Tilt Testing and Carotid Sinus Massage for Evaluating Reflex Syncope". The American Journal of Cardiology. 122 (3): 517–520. doi:10.1016/j...

neuropathy Dopamine beta hydroxylase deficiency Familial dysautonomia Reflex syncope Postural orthostatic tachycardia syndrome Orthostatic intolerance "Autonomic...

Hemorrhage – blood loss Cardiogenic shock Neurally mediated hypotension (or reflex syncope) Toxins including toxic doses of blood pressure medicine Hormonal abnormalities...

(September 2014). "Midodrine for orthostatic hypotension and recurrent reflex syncope: A systematic review". Neurology. 83 (13): 1170–1177. doi:10.1212/WNL...

befriend The Relaxation Response Vasoconstriction Yerkes–Dodson law Reflex syncope Hypervigilance Cannon referred to "the necessities of fighting or flight...

he controls. Because he is prone to bouts of clinical depression and reflex syncope, after a fainting spell (triggered by a panic attack), Tony's physician...

evaluation for syncope fails to provide a definitive, highly probable, or potential diagnosis, but instead raises clinical suspicion of reflex syncope, orthostatic...

Bosnia and Herzegovina. Gomis has a medical condition, suspected to be reflex syncope, which means he is liable to faint during times of stress. This has...

collapse ("agelastic syncope"), which in turn can cause trauma. See also laughter-induced syncope, cataplexy, and Bezold–Jarisch reflex. Gelastic seizures...

can also cause vasovagal syncope due to a sudden drop in cardiac output, causing cerebral hypoperfusion. Vasovagal syncope affects young children and...

intolerance, nausea, diminished concentration, tremulousness (shaking), syncope (fainting), coldness or pain in the extremities, chest pain and shortness...

fainting (syncope) from touching the neck (often whilst shaving). This is an important cause to exclude in men having pre-syncope or syncope symptoms....

parasympathetic (due to the diving reflex) coactivation — may be responsible for some cold water immersion deaths. Gasp reflex and uncontrollable tachypnea...

have discussed additional aspects of this possible link between vasovagal syncope and evolutionary fitness in blood-injection-injury phobias. An evolutionary...

foreign particles and microbes. As a protective reflex, coughing can be repetitive with the cough reflex following three phases: an inhalation, a forced...

associated with symptoms of fatigue, dyspnea, dizziness, confusion, and frank syncope due to reduced forward blood flow to the brain, lungs, and skeletal muscle...

voluntary control in healthy humans and other animals, but may occur as a reflex in infants, some elderly individuals, and those with neurological injury...

a hand-to-hand combat tactic involving the use of a chokehold to cause syncope, or temporary loss of consciousness, at which point the choke is released...

from syncope. It is not recommended as a routine part of diagnosis epilepsy. Differentiating an epileptic seizure from other conditions such as syncope can...

2020 Malaysian federal budget, later revealed to be the result of a reflex syncope. He was caught by Subang MP Wong Chen and Ledang MP Syed Ibrahim Syed...

of bladder control Biting the tongue Possible causes include: Syncope (fainting) Reflex anoxic seizures Breath-holding spells of childhood Cataplexy Hyperekplexia...

ISBN 9781405104647. Thompson EG, Pai RK, eds. (2 June 2011). "Passing Out (Syncope) Caused by Arrhythmias". CardioSmart. American College of Cardiology. Archived...

and temple) can produce a cerebral concussion or a carotid sinus reflex with syncope and cause a sudden, dramatic KO. Body blows, particularly the liver...