Mr. Smith had his EKG measured at UMC, but they lost his records. The EKG technician remembered that the QRS deflection was large and positive in Lead II and 0 in aVL. His mean electrical axis in the frontal plane is A. $90 ^ { \circ }$
B. $60 ^ { \circ }$
C. $0 ^ { \circ }$
D. $- 60 ^ { \circ }$
E. $- 90 ^ { \circ }$

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The Answer of Mr. Smith had his EKG measured at UMC, but they lost his records. The EKG technician remembered that the QRS deflection was large and positive in Lead II and 0 in aVL. His mean electrical axis in the frontal plane is A. $90 ^ { \circ }$
B. $60 ^ { \circ }$
C. $0 ^ { \circ }$
D. $- 60 ^ { \circ }$
E. $- 90 ^ { \circ }$

Mr Smith Had His EKG Measured at UMC, but They 90∘90 ^ { \circ }90∘

Mr Smith Had His EKG Measured at UMC, but They $90 ^ { \circ }$