Blood pressure - Wikipedia
Blood pressure (BP) is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood through the circulatory system. When used without qualification, the term "blood pressure" refers to the pressure in a brachial artery, where it is most commonly measured.
Blood pressure measurement - Wikipedia
Blood pressure values are generally reported in millimetres of mercury (mmHg), though modern aneroid and electronic devices do not contain mercury. For each heartbeat, blood pressure varies between systolic and diastolic pressures.
Hypertension - Wikipedia
Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. [11] High blood pressure usually does not cause symptoms itself. [1]
Blood pressure - Simple English Wikipedia, the free encyclopedia
Blood pressure is a measurement used in medicine. In the body, the arteries carry blood away from the heart . As blood travels through the arteries, it presses against the walls of the arteries.
Blood pressure chart: What your reading means - Mayo Clinic
2024年2月28日 · This blood pressure chart can help you figure out if your blood pressure is at a healthy level. It also can help you understand if you need to take some steps to improve your numbers. Blood pressure is measured in millimeters of mercury (mm Hg).
Understanding Blood Pressure Readings - American Heart Association
2024年5月17日 · Use our blood pressure chart to learn what your blood pressure levels and numbers mean, including normal blood pressure and the difference between systolic and diastolic.
High blood pressure (hypertension) - Symptoms & causes - Mayo Clinic
2024年2月29日 · Blood pressure higher than 180/120 mm Hg is considered a hypertensive emergency or crisis. Seek emergency medical help for anyone with these blood pressure numbers. Untreated, high blood pressure increases the risk of heart attack, stroke and other serious health problems.
Blood pressure | Description, Measurement, & Average | Britannica
2024年10月8日 · Blood pressure, force originating in the pumping action of the heart, exerted by the blood against the walls of the blood vessels. The stretching of the vessels in response to this force and their subsequent contraction are important in maintaining blood flow through the vascular system.
What Is Blood Pressure? - Cleveland Clinic
Blood pressure is the measurement of the pressure or force of blood inside your arteries. Each time your heart beats, it pumps blood into arteries that carry blood throughout your body. This happens 60 to 100 times a minute, 24 hours a day.
Blood Pressure: How It Works and What Is Normal - Verywell Health
2022年11月11日 · Blood pressure (BP) is the pressure of circulating blood on the walls of arteries. Healthcare providers use BP readings to help evaluate cardiovascular health. BP is measured as a systolic pressure (the top number) and a diastolic pressure (the bottom number).