Quantification of Left Ventricular Function Using Transesophageal Echocardiography
Quantification of cardiac function is often an important aspect of the care of patients who are critically ill. Echocardiography has been very useful to accomplish this goal because of its portability and non-invasive nature. However, echocardiographic images from the chest wall may often be suboptimal because of interference caused by mechanical ventilation and surgical dressings, in particular in patients who have undergone cardiac surgery. Transesophageal echocardiography (TEE) provides high resolution images of the heart and great vessels . This procedure can be performed quickly and safely at the bedside in the ICU, and can provide superior diagnostic information compared to the transthoracic echo approach in the same patients . The applications of TEE to the diagnosis of cardiovascular insufficiency due to left ventricular (LV) dysfunction have continued to expand and are rapidly evolving. The objective of this review is to focus on the expanding uses of TEE technology to quantify LV function.
KeywordsLeft Ventricular Pressure Left Ventricular Contractility Left Ventricular Stroke Volume Thermodilution Cardiac Output Inferior Vena Caval Occlusion
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