Trans-thoracic echocardiographic examination
Air-containing lung tissue prevents ultrasound penetration. Thus, it can be very difficult or impossible to obtain recordings from patients with emphysema. The area on the chest without lung tissue between the transducer and the heart is rather small. Usually this ‘acoustic window’ is only found from the lower left parasternal region to the apex. An abdominal acoustic window for examination of the heart and also for the IVC is the subcostal position. For examination of the thoracic aorta the suprasternal transducer position is useful.
KeywordsAortic Valve Hepatic Vein Aortic Root Tricuspid Valve Axis View
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