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Basics of Echocardiography

All About Cardiovascular System and Disorders

Transcript of the video: Echocardiography is now not restricted to the echocardiographic laboratory. Tracing in the lower part is tissue Doppler imaging from the medial mitral annulus. Opening and closing movements of the aortic and mitral valves are visible. Colour flow shows the flow in pulmonary artery.

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A woman in her 20s with syncope

Dr. Smith's ECG Blog

However, if you freeze the ultrasound clip and scroll forwards and backwards to find a time during the clip where the patient’s mitral valve is open, you know the heart is filling, and is therefore in diastole. Electrical alternans — was first observed in the laboratory by Herring in 1909.