Syncope may be defined as a transient loss of consciousness due to inadequate cerebral blood flow secondary to abrupt decrease in cardiac output. Depending on the duration of syncope, the symptoms experienced by the patient may vary.
Following are the causes of syncope with episodic fainting.
Hypoxia, Hypoglycaemia, Anaemia, Diminished carbon dioxide due to hyperventilation
Psychogenic -Anxiety/Hysterical fainting
Seizures.
Following are the causes of syncope with episodic fainting.
- Hyperventilation syndrome
- Transient ischemic attack
- Severe anemia
- Hypoglycaemia
- Acute blood loss
- Duration of attack
- Associated with exertion – Exertional syncope is seen with aortic sites.
- Convulsion present or absent
- History of repeated attack
- Preceding symptoms such as light headedness
Hypoxia, Hypoglycaemia, Anaemia, Diminished carbon dioxide due to hyperventilation
Psychogenic -Anxiety/Hysterical fainting
Seizures.