How is a diagnosis made? Women get blood clots all of the time. It's a common complication of hormonal birth control. Thus they're more likely to understand the symptoms and have it treated before it becomes a problem, and what might get diagnosed as myocarditis instead gets coded as birth control related blood clots. And that's if they're doing anything stenuous to trigger a heart attack.
To phrase it differently, the situation is worse than it looks and we need more data.
Yes they do. They just aren't lifting heavy items or running nearly as much as men so it's likely subclinical.
How is a diagnosis made? Women get blood clots all of the time. It's a common complication of hormonal birth control. Thus they're more likely to understand the symptoms and have it treated before it becomes a problem, and what might get diagnosed as myocarditis instead gets coded as birth control related blood clots. And that's if they're doing anything stenuous to trigger a heart attack.
To phrase it differently, the situation is worse than it looks and we need more data.