Is the Correct Anatomical Placement of the Electrocardiogram (ECG) Electrodes Essential to Diagnosis in the Clinical Setting: A Systematic Review

Abstract

Objectives and Background: Hemodynamic changes at rest and during exercise in heart failure (HF) after cardiac resynchronization therapy (CRT) are still undefined. Methods: In 93 HF patients, before and 8 ± 3 months after CRT, we assessed clinical conditions, ECG and standard echocardiography and we performed a maximal cardiopulmonary exercise test with non