Bernheim phenomenon

Last revised by Khalid Alhusseiny on 26 Nov 2023

Bernheim phenomenon, also known as the Bernheim syndrome or the Bernheim effect, is the development of right heart failure before left heart failure and has been described in patients with a hypertrophied ventricular septum bulging into the right ventricle, restricting right ventricular diastolic performance 1-3. As a result, symptoms of right-sided congestive heart failure may appear before signs of left-sided congestive heart failure.

However, the concept of the Bernheim phenomenon has been viewed as a topic of discussion since its description in 1910 among cardiologists and cardiophysiologists 4-6.

Epidemiology

Associations

The Bernheim effect has been associated with the following entities:

History and Etymology

In 1910, Hippolyte Bernheim, a French professor, observed and described ten individuals with signs and symptoms of right-sided heart failure, who were found to have a hypertrophied left ventricle with the thickened septum bulging into the right ventricular chamber 1.

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