There is no one type of heart disease that is the most frightening, and any impact on the heart can be life threatening.
There are many types of heart disease, including arrhythmia, congenital heart disease, coronary heart disease, heart failure, etc. Each type of heart disease may pose a serious risk to human health, and may even lead to sudden death.
Different types of heart diseases have different degrees of severity. Different heart diseases have different pathogenesis and obvious differences in symptoms, so it is not possible to make a side-by-side comparison of the severity of various heart diseases, and it is not possible to determine which heart disease is the most frightening, as long as the heart is involved in the disease are likely to be more serious.
After a heart disease occurs, it is important to go to the hospital in a timely manner, under the guidance of a professional cardiac surgeon for diagnosis and treatment to avoid risks.