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An incomplete right bundle branch block (IRBBB) is a conduction abnormality in the right bundle branch block. While a complete RBBB has a QRS duration of 120 ms or more, an incomplete RBBB has a wave duration between 100 and 120 ms. It has a relatively high prevalence, a study conducted on young Swiss military conscripts with a mean age of 19 ...
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
Office for Emergency Management. Office of War Information war poster (1941–1945). " Life, Liberty and the pursuit of Happiness " is a well-known phrase from the United States Declaration of Independence. [ 1] The phrase gives three examples of the unalienable rights which the Declaration says have been given to all humans by their Creator ...
BLUF ( bottom line up front) [ 1] is the practice of beginning a message with its key information (the "bottom line"). This provides the reader with the most important information first. [ 2] By extension, that information is also called a BLUF. It differs from an abstract or executive summary in that it is simpler and more concise, similar to ...
A public–private partnership ( PPP, 3P, or P3) is a long-term arrangement between a government and private sector institutions. [ 1][ 2] Typically, it involves private capital financing government projects and services up-front, and then drawing revenues from taxpayers and/or users for profit over the course of the PPP contract. [ 3]
Last universal common ancestor. The last universal common ancestor ( LUCA) is the hypothesized common ancestral cell from which the three domains of life, the Bacteria, the Archaea, and the Eukarya originated. The cell had a lipid bilayer; it possessed the genetic code and ribosomes which translated from DNA or RNA to proteins.
The United States Bill of Rights comprises the first ten amendments to the United States Constitution.Proposed following the often bitter 1787–88 debate over the ratification of the Constitution and written to address the objections raised by Anti-Federalists, the Bill of Rights amendments add to the Constitution specific guarantees of personal freedoms and rights, clear limitations on the ...
A BBB-accredited company agrees to abide by a set of accreditation standards BBB says are "attributes of a better business." These include honesty in advertising, transparency, and responsiveness ...