Sleep apnea echocardiography or ultrasound

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Saarah T. Alkhairy, M.D.

Overview

Ultrasound is not diagnostic of sleep apnea. Cor pulmonale and pulmonary hypertension may be evident among patients with severe sleep apnea on echocardiography.

Ultrasound

• Ultrasound is not diagnostic of sleep apnea
• Cor pulmonale and pulmonary hypertension may be evident among patients with severe sleep apnea on echocardiography, demonstrating the following structural changes:

• Right ventricular dilatation
• Abnormal flattening of the interventricular septum
• Right atrial enlargement