The initials BP (or bp and rarely B.P.), when placed after a number (as in 2500 BP), means years Before the Present. Archaeologists and geologists generally use this abbreviation to refer to dates that were obtained through the radiocarbon dating technology.

What does BP mean after a date?

Before Present Before Present (BP) years, or years before present is a time scale used mainly in archaeology, geology, and other scientific disciplines to specify when events occurred before the origin of practical radiocarbon dating in the 1950s.

What does BP stand for in timeline?

AD 1000. AD 2000. 1000 BC. BP (“Before Present”): years from AD 1950.

Which number comes first in BP?

This is the number that is stated first. The second number is the diastolic number. For example, if your doctor says your blood pressure is “120 over 80,” the first number, 120, is the systolic number, and the second number of your blood pressure reading is the diastolic number (80 in this example).

What is a healthy BP reading?

As a general guide: normal blood pressure is considered to be between 90/60mmHg and 120/80mmHg. high blood pressure is considered to be 140/90mmHg or higher. low blood pressure is considered to be 90/60mmHg or lower.

What if my blood pressure is 160 90?

Your blood pressure is considered high (stage 1) if it reads 130/80. Stage 2 high blood pressure is 140/90 or higher. If you get a blood pressure reading of 180/110 or higher more than once, seek medical treatment right away. A reading this high is considered “hypertensive crisis.”

What is ideal blood pressure for a woman?

ideal blood pressure is considered to be between 90/60mmHg and 120/80mmHg. high blood pressure is considered to be 140/90mmHg or higher. low blood pressure is considered to be 90/60mmHg or lower.