fig38
![Echocardiography: an overview - Part II](https://image.oaes.cc/2812ecbd-2d42-493c-8bf9-fab687757096/4657.fig.38.jpg)
Figure 38. Selected video frames from apical short-axis (A, B) and apical four-chambered (C) views, illustrating mitral valve cleft (MC) (arrows in A, B) in two separate stages of cardiac contraction in a patient with an ostium primum atrial septal defect (PASD) (C). Left atrium (LA), left ventricle (LV), right atrium (RA), and right ventricle (RV) are marked.