Diastole and systole refer to when the heart muscles relax and contract. The balance between diastolic and systolic pressure determines a person’s blood pressure. A blood pressure reading displays ...
Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...
High blood pressure, including pre-hypertension, is a major global health economic issue, accounting for about half of the total cases of stroke and ischaemic heart disease. It is responsible for ...