thaler chapter 1

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42 1The Basics
+ +
−30°
+60° +90°
lead aVL lead aVR lead aVF
+
−150°
In the next figure, all six leads of the frontal plane are indicated with their
appropriate angles of orientation. Just as our three inquisitive observers
each looked at the elephant from his or her own unique perspective,
each lead perceives the heart from its own unique point of view.
aVR
aVF (+90 )
180
− 90
I(0 )
(+120 ) III II (+60 )
aVL (−30 ) (−150 )