How to Understand the Causes of Fainting

To figure out why someone has lost consciousness is key if they are unconsious or unaware of their surroundings for more than a minute or two. This indicates a serious situation. Briefer episodes are usually due to a drop in blood flow to the brain and are rarely harmful.

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Step1
If possible, find out if he has any conditions. Heart disease, diabetes, past episodes of unconsciousness, family history of fainting, and lifestyle all are important when understanding the causes. Check for a Medic Alert bracelet, information in his wallet, or medications.



Step2
EXTENDED UNCONSIOUSNESS: Loss of consciousness for more than a minute or two is caused by a metabolic disorder or involves the brain. The following causes are the most common: concussion, stroke, brain damage, abnormal heart rhythm, heart attack, major blood loss, lack of oxygen in the blood, diabetic coma, epilepsy, drug reaction and anorexia. Seek medical help immediately. Even if he has regained consciousness, he requires medical attention.



Step3
BRIEF UNSONCIOUSNESS: If he is unconscious for less than a minute, he could have fainted or passed out due to having low blood pressure and getting up too quickly from a lying or sitting position, being sick and getting up too quickly from a lying or sitting position, having his blood drawn or from the sight of blood. If he has fainted due to the drop in blood pressure: Give him extra time in going from a lying to sitting or to standing position. This allows for the body adjust, and eliminates the fainting potential.



Step4
Educate yourself on other forms of unconsciousness. The following are not always acknowledged as forms of unconsciousness, but are. They fall under the extended category and are as follows:



Step5
Does he display unresponsiveness/stupor: He is unable to be easily aroused. Only with vigorous and repeated stimulation will he show a brief response.



Step6
Does he go into excessively long, deep sleep: He can only be awakened by stimuli (and does not have a viral illness, such as the flu).



Step7
Does he have symptoms of narcolepsy: He falls asleep at inappropriate times, or has uncontrollable sleeping patterns.



Step8
Does he display delirium/confused states: He is hallucinating, confused or disoriented regarding where he is or the day of the week, or he has a short attention span and is drowsy or agitated.



Step9
Does he suffer from convulsions?



Step10
As with the prolonged unconsciousness the above forms of unconsciousness are complicated and medical attention is advised.