Hypertrophic reprogramming of the left ventricle: Translation to the ECG

Research output: Contribution to journalReview articlepeer-review

17 Scopus citations


Hypertrophic growth of the heart occurs in many clinical scenarios, and it confers substantially increased risk of untoward sequelae. Among them, transition to ventricular dilation, wall thinning, contractile dysfunction, and a clinical syndrome of heart failure are paramount. Left ventricular hypertrophy (LVH) is typically diagnosed by either electrocardiography or echocardiography. However, these two means of assessing hypertrophic transformation of the left ventricle can sometimes disagree. At one level, this may not be surprising as the two methodologies are based on entirely divergent signals: electrical potential between two places on the surface of the skin and ultrasound energy reflected from the ventricle itself. Echocardiography is an effective means of assessing ventricular mass, which is a cardinal feature of LVH. Importantly, however, LVH is characterized by a wide range of remodeling events beyond simple increases in muscle mass. Electrocardiographic changes in LVH are reflective of the electrophysiological aspects of hypertrophic transformation. Here, I present an overview of the complex biology of left ventricular hypertrophy with an eye toward enhancing our understanding of its ECG manifestations.

Original languageEnglish (US)
Pages (from-to)624-629
Number of pages6
JournalJournal of Electrocardiology
Issue number6
StatePublished - 2012


  • Cardiac hypertrophy
  • ECG
  • Remodeling
  • Signal transduction

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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