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 condition such as severe...
The diagnosis of syncope is particularly challenging as the causes are complex and often multifactorial in the elderly. Syncope is caused by a brief loss in generalized cerebral blood flow. Orthostatic hypotension is commonly seen in patients presenting with recurrent episodes of syncope or light-...
Syncope: an abrupt transient loss of consciousness with rapid and spontaneous recovery, which is thought to be caused by cerebral hypoperfusion [1] Presyncope: symptoms that usually precede syncope (e.g., lightheadedness, visual symptoms, possibly altered consciousness without loss of consciousness)...
Syncope is a short, transient loss of consciousness with interruption of awareness of oneself and one’s surroundings. It is caused by a sudden lack of blood supply to the brain and is followed by rapid, complete recovery of consciousness. Causes of syncope include cardiogenic, neurologic, metabo...
Observed and recorded in various forms since ancient times, ‘syncope’ is often popularly called ‘fainting’, such that the two terms are used synonymously. Syncope/fainting can be caused by a variety of conditions, including but not limited to head injuries, vertigo, and oxygen deficiency. He...
Vestibular neuronitis is an inflammation of the vestibular nerve and may be caused by a virus. Vestibular neuronitis results in is a paroxysmal attack of severe vertigo. It affects young to middle-aged adults, and often follows a nonspecific upper respiratory infection. ...
Dreams that we remember are those that have penetrated through our ego defenses, their messages having begun to come into our conscious awareness. Often, we do not have a full understanding of the meaning of a particular dream. Awareness is a long and continual process. If you remember dreams...
Syncope during exercise is usually concerning, whereas syncope after exertion is more often benign. Neurocardiogenic syncope and postexercise collapse usually occur after cessation of exercise and are generally benign. Persistent delirium after collapse is life threatening and generally caused by ...
This type of fainting is caused by overstimulation of the vagus nerve, a nerve connected to the brain that helps control breathing and circulation. In addition, a person who stands still or erect for too long may faint. This type of fainting occurs because blood pools in the leg veins, ...
This is a question often asked by the patient– and the answer is 'it depends on a lot of things'. The diverse pathophy... AK Numé,MA Hlatky,MH Ruwald - 《Jama Internal Medicine》 被引量: 0发表: 2016年 Syncope while driving: how safe is safe? As healthcare providers, our ...