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Pulsus parvus et tardus. Home Â» Pulsus parvus et tardus. pulsus tardus et parvus, more commonly known as slow-rising pulse, is a sign where, on palpation of the pulse, the pulse is late (tardus) (relative to contraction of the heart) and weak/small (parvus). Classically, it is seen in aortic valve stenosis.
The distribution and appearance of these abnormalities was evaluated, and the presence or absence of tardus-parvus waveforms was noted in any segment of the right carotid artery. Additionally, a left to right common carotid peak systolic velocity ratio (LCCA/RCCA) was calculated and compared to published normal values.