Understanding Blood Pressure Readings | American Heart ...
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.
What Your Blood Pressure Numbers Really Mean - Verywell Health
Dec 15, 2025 · The pause between beats is called "diastole." Your diastolic blood pressure is the measurement during this pause before the next heartbeat. Normal diastolic blood pressure during …
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 …
What causes high diastolic pressure? Symptoms and treatment
May 13, 2025 · Systolic measures the pressure during the heart’s contraction, while diastolic is the pressure in the period between heartbeats. Many people put a lot of emphasis on the systolic number.
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 …
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: 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 …