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Optimizing Echocardiographic Assessment of Aortic Regurgitation: A Practical Protocol for Sonographers and Clinicians
1Division of Cardiology, Mount Sinai Fuster Heart Hospital, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
Objective:
We provide a practical, step-by-step guide for sonographers, trainees, and allied professionals to help with transthoracic echocardiographic evaluation of patients with aortic regurgitation (AR), emphasizing optimal imaging techniques and Doppler assessment.
Key Steps:
Multiple views are required in order to fully evaluate the degree of AR, including imaging in the parasternal long-axis, parasternal short-axis, and apical views, and in the suprasternal notch to evaluate the descending aortic flow for diastolic flow reversal.
Potential Pitfalls:
AR jet misalignment, eccentric regurgitation, poor acoustic windows, arrhythmias, and calcification can lead to underestimation of AR severity.
Take-Home Message:
Comprehensive AR assessment requires integration of multiview imaging and Doppler data with left ventricular remodeling and function to accurately guide clinical decision-making.
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