Two-dimensional transthoracic echocardiographic subcostal four-chamber view

Two-dimensional transthoracic echocardiogram from the subcostal imaging window showing a four-chamber view.

RV: right ventricle; TV: tricuspid valve; RA: right atrium; LV: left ventricle; IAS: interatrial septum; MV: mitral valve; LA: left atrium.

Reproduced with permission from: Aadhavi Sridharan, MD.