What is the lowest change in cardiac output that transthoracic echocardiography can detect?

In critically ill patients, changes in the velocity-time integral (VTI) of the left ventricular outflow tract, measured by transthoracic echocardiography (TTE), are often used to non-invasively assess the resp...
Source: Critical Care - Category: Intensive Care Authors: Tags: Research Source Type: research
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