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Apical 4-chamber, 5-chamber and subcostal windows showing left and right chambers, inferior cava vein and pericardium. A: 4-chamber; B: 5-chamber; C and D: Subcostal windows. LV: Left ventricle; LA: Left atrium: RV: Right ventricle; RA: Right atrium; AO: Aorta; IAS: Interatrial septum; ICV: Inferior cava vein.
