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QRS axis: Difference between revisions
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{{ActiveDiscuss}} | {{ActiveDiscuss}} | ||
{{authors| | |||
|mainauthor= [[user:Vdbilt|I.A.C. van der Bilt, MD]] | |||
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|moderator= [[user:Vdbilt|I.A.C. van der Bilt, MD]] | |||
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}} | |||
==What is the electrical heartaxis?== | ==What is the electrical heartaxis?== | ||
[[Image:hartas2.jpg|thumb| | [[Image:hartas2.jpg|thumb|The heartaxis indicates the average directiuon of the depolarization wave. A normal heartaxis, the picture shows an example, is between -30 and +90 degrees. Hier is de hartas ongeveer +45 graden.]] | ||
[[Image:einthhartas.png|thumb|Hartas uit de originele publicatie van Einthoven. Reprinted from The Lancet, March 30 1912, Einthoven W., | [[Image:einthhartas.png|thumb|Hartas uit de originele publicatie van Einthoven. Reprinted from The Lancet, March 30 1912, Einthoven W., | ||
''The Different Forms of The Human Electrocardiogram and Their Signification'', 853-861, 1912, with permission from | ''The Different Forms of The Human Electrocardiogram and Their Signification'', 853-861, 1912, with permission from | ||