User marilynelliiott uploaded this Premature Atrial Contraction - Shahid Sadoughi University Of Medical Sciences And Health Services Shahid Beheshti University Research Anatomy Ventricle PNG PNG image on April 24, 2018, 10:41 pm. The resolution of this file is 600x762px and its file size is: 133.86 KB. This PNG image is filed under the tags: