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A macron (/ ˈ m æ k r ɒ n, ˈ m eɪ-/ MAK-ron, MAY-) is a diacritical mark: it is a straight bar ¯ placed above a letter, usually a vowel.Its name derives from Ancient Greek μακρόν (makrón) 'long' because it was originally used to mark long or heavy syllables in Greco-Roman metrics.
The hexaxial reference system is a diagram that is used to determine the heart's electrical axis in the frontal plane.. In electrocardiography, left axis deviation (LAD) is a condition wherein the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°.
A macron is a diacritic ¯ placed over a vowel originally to indicate that the vowel is long. When editing a Wikipedia page, macron characters appear below the edit box, and can be inserted into the edit box by clicking the appropriate character (in JavaScript-enabled browsers). A macron can also be input directly from the keyboard.
A with macron and macron: Kienning Colloquial Romanized transliteration Ā̆ ā̆: A with macron and breve: Latin, Middle High German, Proto-Indo-European Ā̆́ ā̆́: A with macron, breve and acute: Latin Ā̈ ā̈: A with macron and diaeresis: Svan transliteration Ā̊ ā̊: A with macron and ring above: Avestan transliteration Ā̌ ā̌: A ...
Ā, lowercase ā ("A with macron"), is a grapheme, a Latin A with a macron, used in several orthographies.Ā is used to denote a long A.Examples are the Baltic languages (e.g. Latvian), Polynesian languages, including Māori and Moriori, some romanizations of Japanese, Persian, Pashto, Assyrian Neo-Aramaic (which represents a long A sound) and Arabic, and some Latin texts (especially for ...
The hexaxial reference system is a diagram that is used to determine the heart's electrical axis in the frontal plane. The hexaxial reference system, better known as the Cabrera system, is a convention to present the extremity leads of the 12 lead electrocardiogram, [1] that provides an illustrative logical sequence that helps interpretation of the ECG, especially to determine the heart's ...
The centre-left Socialists are seen as likely kingmakers in Macron's bid to form a new government, with sufficient parliamentary support to make sure it survives, unlike the last cabinet under ...
A blood volume increase would cause a shift along the line to the right, which increases left ventricular end diastolic volume (x axis), and therefore also increases stroke volume (y axis). The Frank–Starling law of the heart (also known as Starling's law and the Frank–Starling mechanism ) represents the relationship between stroke volume ...