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Prosthetic heart valves (PHVs) are classified as either mechanical or biological. Each valve type has its own risk-to-benefit ratio, unique hemodynamic profile, and Doppler findings, which are also affected by the valve size and the patient's body surface area. Transthoracic echocardiography, along with two- and three-dimensional transesophageal echocardiography, including color and spectral Doppler, are each important for the comprehensive evaluation of PHVs and to identify the presence and mechanism of valve dysfunction.

Evaluation of Prosthetic Valve Dysfunction With the Use of Echocardiography