https://www.verywellhealth.com/causes-of-fainting-1298399
Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain. Learn about the common and less common causes of fainting, how to diagnose and treat it, and how to prevent it.

https://my.clevelandclinic.org/health/symptoms/21699-fainting
What are the most common causes of fainting? The most common reason for fainting is a sudden drop in blood pressure, which reduces blood flow and oxygen to your brain. There are many reasons why a drop in blood pressure could lead to a temporary loss of consciousness: Cardiac syncope: This type of syncope involves fainting because of a heart

https://www.webmd.com/brain/understanding-fainting-basics
Fainting, or syncope, is a sudden loss of consciousness and posture caused by decreased blood flow to the brain. Learn about the common causes of fainting, such as vasovagal attacks, postural hypotension, and heart problems, and how to prevent and treat it.

https://www.healthline.com/health/fainting
Fainting, or syncope, is the temporary loss of consciousness due to low blood oxygen. Learn about the common causes, types, and how to prevent fainting, as well as when to seek medical help.

https://www.hopkinsmedicine.org/health/conditions-and-diseases/syncope-fainting
Syncope is the medical term for fainting or passing out, and it can have many different causes. Learn about the common types of syncope, such as vasovagal, cardiac, orthostatic and POTS, and how they are diagnosed with tests and monitors.

https://www.health.harvard.edu/diseases-and-conditions/when-should-you-worry-about-fainting
Fainting can be caused by a temporary drop in blood pressure, a seizure, or a vagus nerve stimulation. Learn the symptoms and serious causes of fainting and when to seek medical attention.

https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-q-and-a-revealing-the-cause-of-unexplained-fainting/
Fainting, or syncope, is a temporary loss of consciousness due to insufficient blood flow to the brain. Learn about the possible causes, such as heart, neurological or vasovagal conditions, and how to prevent and treat fainting episodes.

https://www.verywellhealth.com/fainting-5409213
Fainting, or syncope, is a temporary loss of consciousness due to a drop in blood pressure or oxygen to the brain. Learn about the common causes, such as vasovagal syncope, medications, heart problems, and how to treat and prevent fainting.

https://www.medicalnewstoday.com/articles/182524
Fainting, or syncope, is a sudden and temporary loss of consciousness due to decreased oxygen supply to the brain. Learn about the possible causes, such as neurocardiogenic, occupational, carotid sinus, and cardiac syncope, and how to treat and prevent fainting.

https://www.nhs.uk/conditions/fainting/
Fainting is when you pass out for a short time due to low blood pressure, dehydration, heat, pain or other reasons. Learn how to prevent fainting, when to see a GP and what to do if someone faints.

https://www.verywellhealth.com/syncope-and-its-causes-1746387
Syncope occurs when the blood flow to the brain becomes markedly reduced, for as few as five or six seconds. The brain's blood flow can be interrupted for a number of different reasons. Fortunately, in most cases, syncope is a transient condition that is not caused by a serious medical problem. So in most cases, as long as the syncopal episode

https://www.medicinenet.com/fainting/article.htm
Fainting, passing out, blacking out, or syncope is the temporary loss of consciousness caused by a variety of situations such as vasovagal syncope, low blood pressure, and anemia. Learn about additional causes, symptoms, and prevention strategies.

https://patient.info/signs-symptoms/dizziness/fainting-collapse
Fainting is a temporary loss of consciousness that happens when the brain does not receive enough oxygen. It can be caused by various factors, such as fear, pain, dehydration, heart problems or neurological diseases. Learn how to prevent, treat and diagnose fainting.

https://www.healthdirect.gov.au/fainting
Fainting is when you suddenly lose consciousness and become unresponsive for a few seconds. Before you faint, it is common to get warning signs such as weakness, dizziness, nausea, vision changes or anxiety. A faint can be caused by tiredness, dehydration, severe pain, anxiety, low blood pressure, low blood sugar levels, heart attack or stroke.

https://www.webmd.com/brain/understanding-fainting-treatment
Fainting may also happen when the part of the nervous system that regulates blood pressure and heart rate malfunctions in response to a trigger, such as emotional stress or pain. This type of

https://www.merckmanuals.com/home/heart-and-blood-vessel-disorders/symptoms-of-heart-and-blood-vessel-disorders/fainting
Fainting is a sudden, brief loss of consciousness due to reduced blood flow to the brain. Learn about the common and serious causes of fainting, how to evaluate and treat it, and when to see a doctor.

https://www.redcross.org/take-a-class/resources/learn-first-aid/fainting
Fainting is caused by a sudden decrease in blood flow to the brain. Usually the cause of fainting is not serious. For example, being dehydrated (not having enough fluid in the body), being too hot, being in a crowded room or feeling intense emotion can cause a person to faint. After the person faints, the head is at the same level as the heart.

https://www.health.harvard.edu/nerve-disorders/fainting-frightening-but-seldom-serious
Defined as a sudden, temporary loss of consciousness, fainting occurs when something interrupts blood flow to the brain. Doctors call it syncope, which comes from a Greek word meaning "contraction" or "cut off." Although often harmless, fainting can cause injuries and sometimes signals a problem with the heart or circulatory system.

https://www.webmd.com/brain/understanding-fainting-symptoms
Depending on the cause of your fainting spell, you may have some or all of these symptoms before or during the episode: Dizziness. Weakness. Sweating. Blurred vision, seeing spots. Headache

https://www.mayoclinic.org/first-aid/first-aid-fainting/basics/art-20056606
This causes loss of consciousness. Consciousness is usually regained quickly. Fainting might have no medical significance. Or the cause can be a serious disorder, occasionally involving the heart. Therefore, treat loss of consciousness as a medical emergency until the symptoms are relieved and the cause is known.

https://www.today.com/health/mind-body/signs-youre-about-to-pass-out-rcna95298
Heart rhythm problems — this is a much more serious cause of passing out, and people can faint with no warning, McGowan says. It's much more common in older people or patients with heart disease.

https://www.medicalnewstoday.com/articles/fainting-symptoms-but-didnt-faint
What is fainting, and what causes it? Medically reviewed by Heidi Moawad, M.D. Fainting is a sudden, temporary loss of consciousness due to not enough oxygen reaching the brain.

https://www.smithsonianmag.com/smart-news/heres-what-causes-fainting-according-to-new-research-180983198/
For years, researchers have attributed fainting, or "syncope," to a sudden restriction in blood flow to the brain. But the mechanism behind why and how this happens has remained a mystery. Now

https://www.tennessean.com/story/life/health/2024/06/26/tennessee-heat-wave-heat-stroke-symptoms-heat-dome/74204552007/
Heat rash is a skin irritation caused by excessive sweating in hot and humid weather. Symptoms: Red clusters of pimples or small blisters; ... Heat Syncope. Fainting, or syncope, occurs when

https://www.ncbi.nlm.nih.gov/books/NBK482359/
In general, patients with second degree AV block may have no symptoms or may experience symptoms like syncope and lightheadedness.The second degree heart block may be temporary or permanent, depending on the impairment of the conduction system. ... Common drugs that are known to cause AV block include beta-blockers, digoxin, calcium channel