MMHG Meaning and
Definition
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MMHg stands for millimeters of mercury, which is a unit of pressure commonly used in medicine and physics. It represents the height of a column of mercury in a barometer or manometer.
In a barometer, MMHg is used to measure atmospheric pressure. It is derived from the use of a glass tube filled with mercury, where the column rises or falls depending on the external atmospheric pressure. One millimeter of mercury represents a small change in pressure. For example, normal atmospheric pressure at sea level is usually around 760 millimeters of mercury or 760 MMHg.
In the medical field, MMHg is frequently used to measure blood pressure. It specifically refers to the pressure exerted by blood against the arterial walls when the heart pumps and relaxes. Blood pressure is measured using a sphygmomanometer, which consists of an inflatable cuff and a pressure gauge. The systolic pressure value, the higher of the two numbers in a blood pressure reading, is recorded in MMHg. It indicates the maximum pressure exerted on arterial walls during a heartbeat, while the diastolic pressure value represents the lowest pressure between heartbeats. A typical healthy blood pressure reading is around 120/80 MMHg.
Overall, MMHg is a measurement unit used to quantify pressure, whether in weather or within the human body, and is an integral part of various scientific and medical applications.
Common Misspellings for MMHG
- mmhng
- mmhjg
- mmuhg
- mmhug
- mmyhg
- mmhyg
- mmhfg
- mmhgf
- mmhvg
- mmhgv
- mmhgb
- mmhhg
- mmhgh
- mmhgy
- mmhtg
- mmhgt
- mmmhg
- MMxg
- MMHw
- MMHe
Etymology of MMHG
The term "mmHg" is an abbreviation for millimeters of mercury. Its etymology can be understood by breaking down the term:
1. Millimeters: Derived from the Latin word "milli", meaning "thousandth", and "meter", which is the basic unit of length in the metric system. Therefore, "millimeters" refers to a thousandth of a meter.
2. of: A preposition indicating a unit of measure or the relationship between two things.
3. Mercury: Referring to the chemical element mercury (Hg). This term is derived from the Latin word "hydrargyrum", which means "liquid silver". Mercury has been historically used in thermometers and barometers.
Overall, "mmHg" represents a unit of pressure, specifically the pressure exerted by a column of mercury one millimeter in height.
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