Systolic anterior motion (SAM) of the mitral valve

Last revised by Joachim Feger ◉ on 18 Apr 2021

Citation, DOI, disclosures and article data

Citation:

Weerakkody Y, Feger J, El-Feky M, et al. Systolic anterior motion (SAM) of the mitral valve. Reference article, Radiopaedia.org (Accessed on 31 Mar 2023) https://doi.org/10.53347/rID-71676

DOI:

https://doi.org/10.53347/rID-71676

Permalink:

https://radiopaedia.org/articles/71676?iframe=true

rID:

71676

Article created:

17 Oct 2019, Yuranga Weerakkody ◉

Disclosures:

At the time the article was created Yuranga Weerakkody had no recorded disclosures.

View Yuranga Weerakkody's current disclosures

Last revised:

18 Apr 2021, Joachim Feger ◉

Disclosures:

At the time the article was last revised Joachim Feger had no recorded disclosures.

View Joachim Feger's current disclosures

Revisions:

3 times, by 3 contributors - see full revision history and disclosures

Systems:

Cardiac

Tags:

refs, cases

Synonyms:

Systolic anterior motion (SAM) of mitral leaflet
Systolic anterior motion of mitral leaflet
Systolic anterior motion (SAM) of the anterior leaflet of the mitral valve
Systolic anterior motion (SAM) of mitral valve
Systolic anterior motion of the mitral valve
Systolic anterior motion (SAM) of the anterior mitral leaflet

Systolic anterior motion (SAM) of the mitral valve is defined as displacement of the distal portion of the anterior leaflet of the mitral valve toward the left ventricular outflow tract obstruction. It can occur in patients with and without hypertrophic cardiomyopathy.