What is syncope, and what causes it?What is syncope?doi:10.1097/01.nnn.0000942448.33818.86S. BlitshteynBrain & Life
What causes syncope?Syncope is caused by a decrease in blood flow to the brain. When blood flow to the brain decreases, oxygen to the brain also decreases. Any of the following conditions may cause syncope:A heart condition, such as a narrow artery or an irregular heartbeat A medical ...
This is the most common type (also called a neurally mediated syncope), causing over half of all fainting episodes. It's most common in children and young adults. It can happen when something triggers a reaction in your nervous system that slows your heart rate and lowers blood pressure, ...
Vasovagal syncope:Also known as the "common faint," this is the most frequent cause of syncope. It results from an abnormal circulatory reflex. The heart pumps more forcefully and the blood vessels relax, but the heart rate does not compensate fast enough to maintain blood flow to the brain....
What is torsade de pointes and what causes it? Common causes for torsades de pointes include drug-induced QT prolongation and less often diarrhea, low serum magnesium, and low serum potassium or congenital long QT syndrome. It can be seen in malnourished individuals and chronic alcoholics, due ...
What causes an elderly person to be unresponsive? low blood sugar. low blood pressure. syncope, or the loss of consciousness due to lack of blood flow to the brain. neurologic syncope, or the loss of consciousness caused by a seizure, stroke, or transient ischemic attack (TIA) Do you remo...
What is fainting?Fainting is also called “passing out”—the medical term issyncope. People who faint temporarily lose consciousness,often falling down as they do so. The person usually regainsconsciousness (wakes up) in a minute or two.Fainting can be scary, but most of the time it doesn...
What are the causes of acupunture syncope generally? A.patients who accepted acupuncture therapy for the first time. B.uncomfortable posture C.excessive hunger D.the acupuncturist's unskilled technique 点击查看答案 广告位招租 联系QQ:5245112(WX同号) ...
Vasovagal syncope is the most common type of fainting. It may occur in response to a triggering event such as seeing blood, sudden pain, or an extreme emotion. During the triggering event, the nervous system slows the heart rate, leg veins dilate, and blood pools in the legs. This causes...
NY Regents Exam - Earth Science: Help and Review Browse by Lessons What Is Syncope? - Definition, Causes & Symptoms Embolism | Definition, Types & Causes Atypical Heart Attack Symptoms Types of Angina: Stable, Unstable & Prinzmetal's Cor Pulmonale: Definition, Symptoms & Treatment Stable vs. ...