2012年1月18日 · Systolic anterior motion (SAM) of the mitral valve (MV) can be a life-threatening condition. The SAM can result in severe left ventricular outflow tract obstruction and/or mitral regurgitation and is associated with an up to 20% risk of sudden death (which is substantially lower in hypertrophic cardiomyopathy (HCM)).

2018年1月16日 · Here are some transesophageal echo (TEE) clips I acquired of SAM. You can see how the anterior leaflet of the mitral valve (ALMV) moves into the LVOT causing a dynamic obstruction. Furthermore, the classic finding of aortic valve (AoV) leaflet fluttering is also present.

The preoperative transthoracic echocardiogram shows normal left ventricular (LV) function, severe hypertrophy of the interventricular septum, and systolic anterior motion (SAM) of the anterior mitral valve leaflet (AMVL) with moderate mitral regurgitation (MR).

2022年5月5日 · Left ventricular outflow tract obstruction (LVOTO) is commonly associated with systolic anterior motion (SAM) of the mitral valve. Congenital heart disease is an important cause in the paediatric population.

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

Systolic anterior motion is frequently observed in hypertrophic cardiomyopathy (HCM) and causes left ventricular outflow tract (LVOT) obstruction, and systolic anterior motion (SAM) is generally seen at the anterior mitral leaflet (AML) (1). However, an isolated SAM of the posterior mitral leaflet (PML) can be unusually seen.

2019年4月25日 · Transesophageal echocardiography findings associated with SAM were excessive height of posterior to anterior mitral leaflet, smaller left ventricular end-systolic volume, and bileaflet prolapse. Conservative management of SAM was usually successful, and persistent hemodynamically significant SAM was uncommon.

2021年4月18日 · 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.

2016年10月27日 · An ECHO was done in the ED to find a possible cardiac cause, other than hypovolaemia from sepsis, for his hypotension Watch the clip below. Watch the mitral valve.

2014年12月26日 · A brief overview on echocardiographic features of systolic anterior motion or SAM, of the mitral valve and medical management