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Why do some people faint when they see blood?
Seeing blood can trigger a fear or stress response, leading to a drop in blood pressure and a fainting episode. This is known as vasovagal syncope, where the body's response to stress causes a temporary decrease in heart rate and blood flow to the brain, resulting in fainting.
Can vasovagal syncope occur while sleeping?
Yes, vasovagal syncope can occur while sleeping. This condition is characterized by a sudden drop in heart rate and blood pressure, leading to fainting. It can be triggered by various factors, including stress, dehydration, and changes in body position, even during sleep.
What is convulsive syncope?
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Symptoms of syncope?
My sister has vasovagal syncope and she passes out if she is sitting or standing still too long. This started showing at a water park one time. I was with my friend, my mom, my dad, and my sister and we were standing in line for the first ride and all of a sudden my sister collapses on the ground and she couldn't hear or see anything. Later, she was diagnosed with vasovagal syncope. She also had it another time in the choir at church. We have been able to control it now and she hasn't had it since then.
What does circulatory collapse mean?
A sudden loss of effective blood flow due to cardiac and/or peripheral vascular factors which may reverse spontaneously (e.g., neurocardiogenic syncope; vasovagal syncope) or only with interventions (e.g., cardiac arrest).
What form of syncope is associated with abrupt emotional stress?
a vasovagal attack is a form of synope that results from abrupt emotional stress involving the vagus nerve's effect on blood vessels.
What is vasovagal syncope?
I have vasovagal. Its fainting. I faint when i see blood and its horrible. Its not a good thing too have. There is much more to vasovagal syncope than stated above. What is stated above can be one minor affect of vasovagal syncope. I have done a lot of reading and research since being diagnosed myself. My scenario has to do with pinching the vasovagal nerve which runs from the top of your head, down behind your ear, down your neck by you jugular, down beside your heart and down to the top of your stomach. When the nerve is pinched it triggers a response that drops ones heart rate and blood pressure to the point of passing out, near passing out, dizziness, nausea, etc. This typically happens in young slender females who do not have a lot of extra cushion of fat around this nerve to keep it from being pinched. I have also heard of this occurring in people closer to 30 and 40 years old of both genders and not particularly slender. The pinching of the vasovagal nerve typically happens when one bends over and stands up, because it shifts the pressure in the upper body which ends up pinching the nerve causing one to pass out. Other cases, like mine, are triggered by quick upper body movement that ends up pinching the nerve. I have also heard of this syndrome causing migraines which I have suffered from for several years. Vasovagal syncope can become very severe and actually stop ones heart or cause an irregular heartbeat. The use of pacemakers have been implemented in patients that have been tested and experience the severity of these problems. For the more mild cases I have heard of beta blockers and also blood pressure regulation medicine (I was recently put on blood pressure regulation medicine for vasovagal syncope).
Why would someone have a headache after a vasovagal syncope?
Vasovagal syncope means that your parasympathetic nervous system (which calms and quiets your body) kicked in too strongly, causing a drop in blood pressure. This drop in blood pressure causes a lot of things to happen, two of which are fainting (syncope) and headache. The drop in pressure changes the pressure in your head as well, and the membrane surrounding your brain is sensitive to such pressure changes, and generally causes pain in the form of a head ache. When people take nitro for heart pain, the result is a drop in blood pressure, usually with an accompanying headache.
Can you explain the relationship between sleep and syncope, and how they may be connected in certain medical conditions"?
In certain medical conditions, there can be a connection between sleep and syncope, which is a temporary loss of consciousness. Sleep disturbances can sometimes trigger syncope in conditions like sleep apnea or narcolepsy. These conditions can disrupt the normal sleep cycle and lead to episodes of syncope.
Is there a scientific name for fainting at the sight of blood?
The scientific name for fainting at the sight of blood is vasovagal syncope. It is a common response to triggers such as pain, stress, or the sight of blood, which can cause a sudden drop in heart rate and blood pressure leading to loss of consciousness.
Why do you faint after eating hot food?
When someone feels faint after eating hot food, it could be one of several different reasons. The spiciness or heat of the food could be burning the inside of the mouth, it could be a food allergy or it could be vasovagal syncope. See a doctor.
How do you write convulsive in a sentence?
Suddenly, my nose wrinkled in a convulsive reaction.
