Using a 3-D augmented reality human model dubbed 'Gemma,' Ashton demonstrated on 'GMA' today the difference between heart attacks caused by coronary artery disease and heart attacks caused by SCAD.ДЄBC News' chief medical correspondent Dr.

'This is something different.'ДЄshton added that SCAD is 'more common in women' and 'can be fatal.' 'Most people have heard of heart attacks, but the ones caused by a blockage of the artery,' Ashton said. Jennifer Ashton said that both women reached out to her last year because they wanted to 'share their story.' Sullivan echoed Cox's sentiments, saying she 'didn't understand that's what it was until the doctors came in and explained it to me.' What to know about SCADДЄBC News' chief medical correspondent Dr.

'I heard a loud crash and I realized I had hit my head on the nightstand.'Д«oth Cox and Sullivan later learned that what they experienced was a little-known type of heart attack triggered by a condition called spontaneous coronary artery dissection (SCAD).Д¬ox said that prior to her experience, she had 'never heard of it.' and as I did that, I fell and passed out,' she said. Three days later, she says she experienced sore arms and heartburn, and later that night, she passed out. She said that she rode only 57 of the 100 miles that day. Maryn Cox, a mother of three from Georgia, opens up about her heart attack caused by Spontaneous Coronary Artery Dissection (SCAD) in an interview with 'GMA.'

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