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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: J Electrocardiol. 2011 Sep-Oct;44(5):544–554. doi: 10.1016/j.jelectrocard.2011.06.008

Figure 4. Flow chart for determining RAO.

Figure 4

After conduction type is determined by following Figure 2 or Figure 3, all ECGs are evaluated for presence of right atrial overload (RAO) which suggests accompanying right ventricular hypertrophy (RVH).