What ECG findings are associated with idiopathic pulmonary arterial hypertension (IPAH)?

Updated: Jul 08, 2020
  • Author: Ronald J Oudiz, MD, FACP, FACC, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Electrocardiographic results are often abnormal in patients with PAH, revealing right atrial enlargement, right axis deviation, right ventricular hypertrophy, and characteristic ST depression and T-wave inversions in the anterior leads. Sometimes, an incomplete RBBB may be seen (usually in patients with atrial septal defects). However, some patients with IPAH have few or no abnormal electrocardiographic findings.

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