ECG Axis app for iPhone and iPad

ECG Axis
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The accurate determination of the electrical axis may be important in certain situations, especially in research.
This application allows you to determine the electrical axis accurately. Simply insert the net values of the amplitudes in leads I and aVF and to press calculate.
The magnitudes of the areas under the QRS complex in leads I and aVF allows to calculate of the mean QRS axis in frontal plane with greater accuracy. But a most simple way to calculate the axis is through from the net voltage of QRS complexes in Lead-I and Lead-aVF.
Similarly, the axis of the P, T and ST can also be calculated using this application.