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Left ventricular mass or LVM refers to the mass of the left ventricle of the heart. Left ventricular mass index or LVMi is LVM divided by body surface area . LVM is usually estimated using linear measurements obtained from echocardiography , [ 1 ] but can also be calculated using CT or MRI images. [ 2 ]
The test score is the time taken on the test, in minutes. This can also be converted to an estimated maximal oxygen uptake score using the calculator below and the following formulas, where the value "T" is the total time completed (expressed in minutes and fractions of a minute e.g. 9 minutes 15 seconds = 9.25 minutes). As with many exercise ...
Sonographer doing an echocardiogram of a child Echocardiogram in the parasternal long-axis view, showing a measurement of the heart's left ventricle. Health societies recommend the use of echocardiography for initial diagnosis when a change in the patient's clinical status occurs and when new data from an echocardiogram would result in the physician changing the patient's care. [7]
Strain means Deformation, and is defined as relative change in length.The Lagrangian formula ε L = (L-L 0)/L 0 = ΔL/L 0, where L 0 is baseline length and L is the resulting length, defines strain in relation to the original length as a dimensionless measure, where shortening will be negative, and lengthening will be positive.
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Tissue Doppler echocardiography (TDE) is a medical ultrasound technology, specifically a form of echocardiography that measures the velocity of the heart muscle through the phases of one or more heartbeats by the Doppler effect (frequency shift) of the reflected ultrasound.
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[7] [3] The anatomical landmarks used are anterior vaginal wall, cervix, hymen, perineal body, total vaginal length, posterior vaginal wall and posterior fornix. [8] A three-by-three centimeter grid is used to record the proximal and distal numbers. The information on the grid is translated to the appropriate stage of prolapse. [3]