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The fundamental concept of electroanatomic mapping systems is to localize catheters within the heart in three dimensional space (a sort of "GPS" within the heart). Building a 3-D model of the heart with real-time visualization permits reduction in fluoroscopy use. In addition to 3-D structure, the voltage and timing of signals at each point of ...
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In medicine, the mean arterial pressure (MAP) is an average calculated blood pressure in an individual during a single cardiac cycle. [1] Although methods of estimating MAP vary, a common calculation is to take one-third of the pulse pressure (the difference between the systolic and diastolic pressures ), and add that amount to the diastolic ...
Farmers' Almanac is an annual American periodical that has been in continuous publication since 1818. Published by Geiger of Lewiston, Maine, the Farmers' Almanac provides long-range weather predictions for both the U.S. and Canada.
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Writing starts at 12:00:00 a.m. on November 1 and ends 11:59:59 p.m. on November 30, local time. No one is allowed to start early and the challenge finishes exactly 30 days from that start point. [30] Novels must reach a minimum of 50,000 words before the end of November in order to win. [31]
November was the ninth month of the calendar of Romulus c. 750 BC. November retained its name (from the Latin novem meaning "nine") when January and February were added to the Roman calendar . November is a month of late spring in the Southern Hemisphere and late autumn in the Northern Hemisphere .
Calendrical Calculations is a book on calendar systems and algorithms for computers to convert between them. It was written by computer scientists Nachum Dershowitz and Edward Reingold and published in 1997 by the Cambridge University Press .