Variability of Doppler transmitral flow was studied in 42 normal patients (aged 19-68 years). Starting at the mitral annulus level (ANL) in an apical four-chamber view, the sample volume was moved downstream at 1-cm intervals. At all positions, peak early (E) and later atrial mediated (A) diastolic
The influence of heart rate and age on diastolic blood flow velocity in the left ventricular inflow tract
✍ Scribed by Ina van Dam; Ben Delemarre; Jeroen Hopman; Theo de Boo; Cuno Uiterwaal; Jules Fast; Anton van Oort; Tjeerd van der Werf; Otto Daniéls
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 599 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0091-2751
No coin nor oath required. For personal study only.
✦ Synopsis
To investigate the relationship between age-related blood flow velocity and heart rate in the left ventricular inflow tract, we studied 118 healthy volunteers (age > 15 years). The maximal velocity (Vmax) of the transmitral diastolic flow during
FIGURE 1. Illustration of a cross section of the left ventricle with the three sampling sites indicated. (1) one centimeter distal to the rnitral annulus, (2) l/3 the distance from the rnitral annulus to the apex, (3) 2/3 the distance from the rnitral annulus to the apex.
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