Correlation between carotid artery and ascending aortic Doppler

This analysis shows a strong correlation between change in the ascending aortic velocity time integral and change in carotid corrected flow time. The correlation coefficient between these variables increases with the number of consecutively averaged cardiac cycles.

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FloPatch Doppler correlates with stroke volume in a Mayo Clinic study of 50k beats

Carotid Doppler ultrasonography was demonstrated to correlate with stroke volume in a human model of hypovolaemia and resuscitation in analysis of 48,570 cardiac cycles.

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