Apical 4 chamber view - normal (transthoracic echocardiography) | Radiology Case | Radiopaedia.org
Recommendations for Cardiac Chamber Quantification by Echocardiography in Adults: An Update from the American Society of Echocar
Echocardiography - Hypertrophic Cardiomyopathy • Video • MEDtube.net
Figure 2: Bowing of the interventricular septum (IVS) into left ventricle is visualized as “D-sign” on a parasternal short-axis view in a patient with right ventricular (RV) failure. - ACEP Now
ASE Releases New Guide to Performing Comprehensive Transthoracic Echo Exams | DAIC