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Table 3 Spectral waveform analysis and diameter for normal profile in dogs (n = 12)

From: Ultrasound evaluation of common carotid artery blood flow in the Labrador retriever

 

Average ± standard deviation

Variation coefficient

Minimum Diastolic velocity

12.2 ± 4 cm/s

32.22%

Maximum Systolic velocity

75.8 ± 16 cm/s

21.35%

Diameter

0.544 ± 0.063 cm

11.70%

Pulsatility index

1.44 ± 0.20

13.90%

Resistance index

0.83 ± 0.07

8.44%