Echocardiogram Windows - Nomenclature Each view is described using three (3) components 1) Transducer Position or "Window" P: Parasternal A: Apical SC: Subcostal SSN: Suprasternal Notch 2) Echocardiographic Imaging Plane, e.g., LAX, SAX, or4C 3) Region or Structures Visualized, e.g., Mitral valve (MV), Aortic valve (AV) level, Two-chamber #Echocardiogram #Windows #Nomenclature #POCUS #cardiology #views #TTE #orientations