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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 (/ 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.
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 ...
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.
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 ...
What’s a normal heart rate? A “normal heart rate” for adults ranges from 60-100 beats per minute (bpm), says Brett Victor, M.D., F.A.C.C., cardiologist at Cardiology Consultants of ...
Unicode maps the overline-like character from ISO/IEC 8859-1 and code page 850 to the U+00AF ¯ MACRON symbol mentioned above. In a reversal of its official name (and compatibility decomposition), it is much wider than an actual macron diacritic over most letters, and actually wider than U+203E ‾ OVERLINE in most fonts.
Combining Diacritical Marks is a Unicode block containing the most common combining characters.It also contains the character "Combining Grapheme Joiner", which prevents canonical reordering of combining characters, and despite the name, actually separates characters that would otherwise be considered a single grapheme in a given context.