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What is the mean QRS Axis and degrees for the following? 25. Lead I deflection is...

What is the mean QRS Axis and degrees for the following?

25. Lead I deflection is mostly negative,AVF is mostly positive; biphasic lead is Lead II

26. Lead I deflection is mostly negative,AVF is mostly negative; biphasic lead isAVL

27. Lead I deflection is mostly positive,AVF is mostlypositive;biphasic leadis Lead III

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