Users' questions

Can syncope last for an hour?

Can syncope last for an hour?

After an episode of vasovagal syncope, many people will feel terrible for a few hours or even for the next few days, or even longer.

When do you regain consciousness after a syncope spell?

During this time, observers note paleness, dilated pupils, and sweating. While unconscious, the person may have low pulse rate (less than 60 beats/minute). The person should quickly regain consciousness. Many people have no warning signs before a fainting (syncopal) episode. Consciousness returns when the situation is over, usually very quickly.

How to tell if a person is going to faint from syncope?

Vasovagal syncope. Before fainting, the person may feel light-headed and shaky and experience blurred vision. The person may “see spots in front of their eyes.”. During this time, observers note paleness, dilated pupils, and sweating.

When does postural syncope occur in an elderly person?

Postprandial fainting can occur in elderly people when their blood pressure falls about an hour after eating. Postural syncope: This occurs when a person lying down, who feels perfectly well and alert, suddenly faints upon suddenly standing up.

What are the prerequisites for Reflex syncope?

A prerequisite for reflex syncope is therefore that the autonomic nervous system is functionally intact.

How often does syncope occur in emergency departments?

Author disclosure: No relevant financial affiliations. Syncope is an abrupt and transient loss of consciousness caused by cerebral hypoperfusion. It accounts for 1% to 1.5% of emergency department visits, resulting in high hospital admission rates and significant medical costs.

During this time, observers note paleness, dilated pupils, and sweating. While unconscious, the person may have low pulse rate (less than 60 beats/minute). The person should quickly regain consciousness. Many people have no warning signs before a fainting (syncopal) episode. Consciousness returns when the situation is over, usually very quickly.

Postprandial fainting can occur in elderly people when their blood pressure falls about an hour after eating. Postural syncope: This occurs when a person lying down, who feels perfectly well and alert, suddenly faints upon suddenly standing up.

Vasovagal syncope. Before fainting, the person may feel light-headed and shaky and experience blurred vision. The person may “see spots in front of their eyes.”. During this time, observers note paleness, dilated pupils, and sweating.