Methods:
Three TEE disease-based protocols were included. Image acquisition was
done twice for each TEE, once each using a manual and automated method
in random order. TEE exam duration and number of sonographer keystrokes
for each method were recorded. Keystrokes were grouped into specific
categories. Multivariate analysis of variance was performed for each
variable. The same automated TEE software was used for all automated
protocol TEE exams.