Salt has always been public enemy number one for your blood pressure. But is sugar worse? 51 Dr. Arefa Cassoobhoy: For years, salt has been Public Enemy Number 1 when it comes to blood pressure. But ...

Systolic pressure is the force of blood against artery walls when the heart contracts, while diastolic pressure reflects the force when the heart relaxes and refills. Both systolic and diastolic blood ...

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 ...

S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...