Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Brigham and Women's Hospital
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Men and women greater than 18 years of age
Undergoing primary elective valve surgery at Brigham and Women's Hospital
Consented for Transesophogeal Echocardiography (TEE) as part of routine intra-operative care and monitoring
You may not be if
Patients not consented for TEE as part of routine intra-operative care
Any absolute contraindication to TEE
Ionized calcium level \< 0.80 mmol/L near separation from CPB
Myocardial infarction (MI) or acute coronary syndromes \< 3 months prior to surgery due to the presence of pre-operative diastolic dysfunction in infarcted or ischemic myocardium
Ejection fraction (EF) \< 35%
Atrial fibrillation / flutter the absence of an A wave on mitral inflow Doppler
Heart rate (HR) \> 100 during 2 data point collections due to E / A wave superimposition
