Abstract
Kinetic energy (KE) of atrial blood has been postulated as a possible contributor to ventricular filling. Therefore, we aimed to quantify the left (LA) and right (RA) atrial blood KE using cardiac ...
Highlights
Kinetic energy (KE) of atrial blood has been postulated as a possible contributor to ventricular filling
And late diastolic peaks did not differ, the increase of early diastolic KE from end-systolic KE was much higher in the left atrial (LA) (P
There was a high correlation between mean systolic KE and the combination of atrial volume and systolic velocity of the atrioventricular plane displacement (R2=0.84 for LA and R2=0.93 for right atrial (RA))
Summary
Kinetic energy (KE) of atrial blood has been postulated as a possible contributor to ventricular filling. KE is independent of blood pressure and may be altered in disease with normal blood pressure. Atrial blood KE, has not previously been measured over the whole cardiac cycle, and its contribution to cardiac function remains unknown. We aimed to quantify the left and right atrial blood KE using cardiac magnetic resonance (CMR), and to identify mechanisms contributing to atrial KE
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