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699967350
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© Epictura / asia11m
  • Id: 699967350
  • Media type: Photography
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When the frontal QRS axis is at +24, the QRS amplitude of lead (algebraic sum) is the highest.The frontal electrical axis is almost perpendicular to lead, so the algebraic sum of QRS amplitude is almost zero.

When the frontal QRS axis is at +24, the QRS amplitude of lead (algebraic sum) is the highest.The frontal electrical axis is almost perpendicular to lead, so the algebraic sum of QRS amplitude is almost zero.

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