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{{ | {{authors| | ||
|mainauthor= [[user:Drj|J.S.S.G. de Jong, MD]] | |||
|advisor= | |||
|coauthor= | |||
|moderator= [[user:Drj|J.S.S.G. de Jong, MD]] | |||
|editor= | |||
}} | |||
The basic question in judging QRS morphology are: | |||
* | *Are there any [[Q waves|pathological Q waves]] as a sign of previous myocardial infarction? | ||
* | *Are there signs of left or right ventricular [[hypertrophy]]? | ||
* | *Does the QRS complex show [[microvoltations]] (roughly QRS < 5mm)? | ||
*Is | *Is the conduction normal or [[Conduction delay|delayed]] (if QRS is > 0,12s)? | ||
* | *Is the R wave propagation normal? Normally R waves become larger from V1-V5. At V5 it should be maximal. If the R wave in V2 is larger than V3, this could be a sign of a (previous)[[Ischemia#posterior|posterior]]. | ||
If all these questions can be answered with 'no' you can go on to the next step: [[ST morphology]]. | |||
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