http://www.nhs.uk/Conditions/Fainting/Pages/Symptoms.aspx http://www.nhs.uk/Conditions/Fainting/Pages/Symptoms.aspx http://www.nhs.uk/Conditions/Fainting/Pages/Symptoms.aspx http://www.nhs.uk/Conditions/Fainting/Pages/Symptoms.aspx http://www.nhs.uk/Conditions/Fainting/Pages/Symptoms.aspx