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PATIENT & PUBLIC EDUCATION
THE NORMAL HEART
SIGNS & SYMPTOMS
Rapid Heartbeat (Tachycardia)
Slow Heartbeat (Bradycardia)
Fainting (Syncope)
Types of Fainting
Cardiovascular Syncope
Non-Cardiovascular Syncope
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Types of Fainting

Types of Fainting
There are two major types of fainting:
heart graphic, color

 

 Cardiovascular syncope.
This is the most dangerous type of fainting. It is caused by an abnormal heart rhythm (arrhythmia) or by structural damage to the heart. [more]

 Non-cardiovascular syncope.
There are a variety of non-cardiovascular causes of syncope. These types of syncope often are related to problems with the autonomous nervous system (ANS), which controls "automatic" bodily functions such as heart rate and blood pressure. They may occur even in young, otherwise healthy people with normal heart function. [more]

Profound blood loss or fluid loss (severe diarrhea) may also cause syncope.
 
Orthostatic (Postural) Hypotension is a sudden drop in blood pressure that occurs when a person moves to an upright position (posture).
It may be due to cardiovascular or non-cardiovascular causes.
 
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