Fainting - Heart and Blood Vessel Disorders - The Merck Manuals
Fainting (syncope) is a sudden, brief loss of consciousness during which the person falls to the ground or slumps in a chair followed by a return to consciousness. The person is motionless and limp and may have cool legs and arms, a weak pulse, and shallow breathing. Some people feel light-headed or dizzy before they faint.
Lightheaded? Top 5 reasons you might feel woozy - Harvard Health
2024年4月3日 · Lightheadedness is a feeling of wooziness or faintness. It is commonly caused by dehydration, drug side effects, blood pressure drops, low blood sugar, heart disease, or stroke. Lightheadedness is not the same as dizziness, which refers to …
Causes of Fainting: Reasons for Passing Out - Verywell Health
2024年12月2日 · Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain. People who have passed out usually wake up quickly after collapsing, but in some cases, fainting is a sign of a serious or potentially life-threatening condition.
Fainting: Symptoms, Causes, and Treatment - Verywell Health
2023年3月8日 · Fainting, also known as syncope, is a temporary loss of consciousness that most commonly occurs due to a sudden drop in blood pressure, resulting in a lack of oxygen to the brain. Most cases are non-life-threatening and resolve on their own. But, sometimes, fainting may signify a more serious health problem.
Fainting: Causes & First Aid Tips - Cleveland Clinic
Fainting, or passing out, is a temporary loss of consciousness from a sudden decrease of blood flow to your brain. An episode usually lasts a few seconds or minutes. Most are harmless, but if you faint often or have other symptoms, you should seek medical attention. What is fainting? Fainting is a short-term loss of consciousness.
Fainting: What It Feels Like and What Causes It - WebMD
2024年7月10日 · Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain. Fainting is a common problem, accounting...
Syncope: Symptoms, Causes & Treatments - Cleveland Clinic
2022年11月3日 · Syncope is also known as fainting. This is a temporary loss of consciousness with a quick recovery. Usually, syncope isn’t a cause for concern. Most people don’t need follow-up treatment. However, you need treatment for certain …
Syncope | Fainting - MedlinePlus
2016年8月4日 · Fainting, or syncope, is a brief loss of consciousness when blood flow to the brain suddenly drops. Know the causes and what to do if someone faints.
Fainting: MedlinePlus Medical Encyclopedia
2023年6月20日 · Fainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode most often lasts less than a couple of minutes and you usually recover from it quickly. The medical name for fainting is syncope. When you faint, you not only lose consciousness, you also lose muscle tone and the color in your face.
Understanding Fainting -- Diagnosis and Treatment - WebMD
2023年5月2日 · Someone may faint during the tilt, due to the rapid drop in blood pressure and/or heart rate. As soon as the person is placed on their back again, blood flow and consciousness are restored. If your...
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