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HEART-LEFT VENTRICLE

Anatomy-Thorax

HEART-LEFT VENTRICLE

RELATIONS
1. The IV septum lies vertical in the sagittal plane - anterior lies the right ventricle and posterior lies the left ventricle.

WALLS
2. The walls of the cavity are 3x as thick as the right ventricle and bulges into the cavity of the right this may be reversed in right-ventricular strain of massive PE.
3. The trabeculae carnae are well developed and there are 2 papillary muscles.
4. The IV septum is thinner and more fibrous at its attachment to the fibrous skeleton - its membranous part.

EXIT
5. The smooth part of the anterior cusp of the mitral valve is the aortic vestibule.
6. The aortic valve guards the entrance to the ascending aorta - 3 cusps (right, left, posterior), 2% of the population will have a bicuspid valve.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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