According to a report from TMZ, former WWE manager Paul Bearer passed away from a heart attack, while his son Michael revealed that the death certificate listed the cause of the heart attack as supraventricular tachycardia, commonly known as SVT.

The report notes that TMZ reached out to a cardiologist who noted that SVT is quite common and can be treated and that the symptoms are common to anxiety and heartburn, which people usually ignore.

More on the report is available at this link.