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Figure 3 Examples of color Doppler still-frames acquired using the miniaturized echocardiographic device. (A) Apical four-chamber view depicting moderately severe mitral regurgitation. (B) Apical four-chamber view depicting moderate tricuspid regurgitation. (C) Apical four-chamber view depicting moderately severe aortic insufficiency. (D) Parasternal short-axis view depicting pulmonic insufficiency. Ao = aorta; LV = left ventricle; PA = pulmonary artery; RA = right atrium; RV = right ventricle.