What is the role of ECG in the workup of coarctation of the aorta (CoA)?

Updated: Nov 20, 2018
  • Author: Syamasundar Rao Patnana, MD; Chief Editor: Stuart Berger, MD  more...
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ECG in the neonate or infant with early onset of coarctation of the aorta may reveal right ventricular rather than left ventricular (LV) hypertrophy. The reasons for right ventricular preponderance in the face of LV outlet obstruction are mentioned in Pathophysiology.

ECG findings in patients with late onset of coarctation of the aorta may be normal or may reveal LV hypertrophy and may show signs of LV ischemia or strain. Sometimes, LV hypertrophy may manifest as increased S waves in leads V5 and V6, the so-called posterobasal LV hypertrophy.

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