Understanding Blood Pressure Readings - American Heart Association
Aug 14, 2025 · Diastolic blood pressure is the second (bottom/lower) number. It measures the pressure your blood is pushing against your artery walls while the heart muscle rests between beats.
Understanding Diastolic and Systolic Blood Pressure - WebMD
Feb 13, 2025 · What Do Systolic and Diastolic Blood Pressure Numbers Mean? When you check your blood pressure, you get two numbers. The first, or top, number, is called systolic blood pressure. The …
Understanding your blood pressure numbers | Mission Health
3 days ago · Learn what your systolic and diastolic blood pressure numbers mean, what counts as normal or high and how to lower your risk of heart disease and stroke.
What Your Blood Pressure Numbers Really Mean - Verywell Health
Dec 15, 2025 · Diastolic blood pressure is considered dangerously low when it is 60 mmHg or lower and alarmingly high when it is 120 mmHg or over. If you receive multiple readings with these numbers, …
Blood pressure chart: What your reading means - Mayo Clinic
Dec 24, 2025 · Bottom number, called diastolic pressure. The bottom number measures the pressure in the arteries between heartbeats. The American College of Cardiology and the American Heart …
Diastole - Wikipedia
Effects of impaired diastolic function Brain natriuretic peptide (BNP) is a cardiac neurohormone secreted from ventricular myocytes (ventricular muscle cells) at the end of diastole—this in response to the …
Systolic vs Diastolic: Key Blood Pressure Differences Explained
Aug 22, 2025 · The diastolic pressure (bottom number) tells you the pressure in your arteries while your heart rests between beats. These two numbers make up your blood pressure reading, which doctors …
What Do Systolic and Diastolic Mean? Facts on Blood Pressure
The systolic blood pressure (the number on top) is the pressure produced when the heart contracts and pushes out blood. The diastolic blood pressure (the number on the bottom) is the pressure when the …
A look at diastolic blood pressure - Harvard Health
Apr 1, 2022 · The bottom (diastolic) number in blood pressure plays an essential role in heart health. Diastolic pressure is the pressure during the resting phase between heartbeats, as coronary vessels …
Systolic vs. Diastolic Blood Pressure - GoodRx
Oct 2, 2024 · Diastolic pressure is the bottom number of your blood pressure reading, also measured in mmHg. So, if your blood pressure is 120/80, your diastolic pressure is 80 mmHg.