Which of the following findings are consistent with a left axis deviation?
I.A positive QRS in lead I
II.A positive QRS in lead II
III.A negative QRS in lead aV_F
IV.A positive QRS in lead aV_R

Question

Which of the following findings are consistent with a left axis deviation? I.A positive QRS in lead I II.A positive QRS in lead II III.A negative QRS in lead aV_F IV.A positive QRS in lead aV_R

Quizplus · Accepted Answer

A positive QRS in lead I and a negative QRS in lead aVF meAnswer the cardiac vector points to the left upper quadrant (0 degrees to -90 degrees), which indicates a left axis deviation.

Which of the Following Findings Are Consistent with a Left