Millimetre of mercury - Wikipedia
These measurements are in general given relative to the current atmospheric pressure: for example, a blood pressure of 120 mmHg, when the current atmospheric pressure is 760 mmHg, means 880 …
Understanding Blood Pressure Readings - American Heart Association
Aug 14, 2025 · If your blood pressure is higher than 180 and/or 120 mm Hg and you have any of these symptoms, call 911: chest pain, shortness of breath, back pain, numbness, weakness, change in …
What Is mmHg and Why Is It Used to Measure Blood Pressure?
Aug 21, 2025 · The abbreviation “mmHg” stands for millimeters of mercury, a unit used to quantify pressure. This unit has its roots in the 17th century with Evangelista Torricelli’s invention of the …
What Does mmHg Mean in Blood Pressure Readings?
Nov 15, 2025 · The abbreviation mmHg stands for millimeters of mercury, representing a specialized unit of pressure widely adopted in medicine. This unit serves as the international standard for …
MM HG Definition & Meaning | Merriam-Webster Medical
The meaning of MM HG is a unit of pressure equal to the pressure exerted by a column of mercury 1 millimeter high at 0°C and under the acceleration of gravity and nearly equivalent to 1 torr (about …
What Is mmHg? | Pressure Unit Explained - wellfizz.com
mmHg is short for “millimeters of mercury.” It’s a unit of pressure based on the height of a column of mercury in a gauge. The idea is simple: pressure can push a liquid up a tube. The higher the liquid …
Blood pressure chart: What your reading means - Mayo Clinic
Dec 24, 2025 · High blood pressure is called hypertension. 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 …
Millimeters of Mercury (mmHg) - Pressure Conversions
Millimeters of mercury is a non-SI unit of Pressure. The symbol for millimeters of mercury is mmHg. It is equal to a pressure of 133.3224 pascals or 0.00131579 atmospheres. 1 mmHg is also equal to 1 Torr.
MmHg Definition - College Physics I – Introduction Key Term | Fiveable
mmHg, or millimeters of mercury, is a unit of pressure that measures the height of a column of mercury in millimeters under the influence of gravity. This measurement is commonly used in various fields, …
The Ultimate Guide to Understanding Millimeter-of-Mercury (mmHg)
It stands for millimeter of mercury, a unit of pressure. Imagine a tall glass tube filled with mercury (yes, that shiny, silvery liquid metal!) – the pressure exerted by a one-millimeter column of mercury is what …