Blood clot survivor admits she's 'lucky to be alive'

• Video report by ITV News Anglia's Hannah Pettifer

With more and more people working at desks and using the internet for long periods of time, experts are warning a sedentary lifestyle is increasing the risk of potentially fatal blood clots.

One in four people worldwide die from conditions caused by blood clots, yet awareness of the symptoms remains low.

32-year-old Robyne Toseland from Cambridge suffered a massive pulmonary embolism 10 years and admits she's lucky to still be here.