Validity of the sonographic measurement of the diameters of the ascending aorta in rats.

PURPOSE The objective of this investigation was to compare transthoracic ultrasound (US) determinations of ascending aortic diameters in rats with video microscopy (VM), the current standard for measuring aortic diameters in rats. MATERIALS AND METHODS The diameter of the ascending aorta was measured in 111 adult Lewis male rats, by VM and US, with a 9… CONTINUE READING