Why the study?
Does transoesophageal echocardiography provide comparable M mode derived indices of left ventricular performance to transthoracic echocardiography in children with congenital heart disease?
Does transoesophageal echocardiography provide comparable M mode derived indices of left ventricular performance to transthoracic echocardiography in children with congenital heart disease?
Transthoracic and transoesophageal M mode echocardiography measurements of left ventricular performance are not directly comparable in children with congenital heart disease.
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LV performance indices from TTE and TOE are not interchangeable in pediatric CHD; leaves open whether separate reference values are required.
Martins et al. (1992) studied this question.
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