ValueSet-dicom-cid-12227-EchocardiographyMeasurementMethod

Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

Code	Display	Definition
125209	Teichholz	Method (formula) for calculating left ventricle volumes and function derivatives (EF, SV, SI, etc.) Volume = [7.0/(2.4+D) ]*D3.
125208	Method of Disks, Single Plane	Method of calculating volume based on the summation of disk volumes. The disk axis is parallel to the left ventricular long axis with disk diameter taken from the four-chamber view.
125207	Method of Disks, Biplane	Method of calculating volume based on the summation of disk volumes. The disk axis is parallel to the left ventricular long axis and using a disk diameter averaged from the two chamber and four chamber views.
125206	Cube Method	Method (formula) for calculating left ventricle volumes and function derivatives (EF, SV, SI, etc.) that estimates the volume as the cube of diameter.
125228	Bullet Method	Bullet method of estimating ventricular volume.Volume = 5/6 * L * SL: Left ventricle long axis lengthS: Left ventricle area, SAX view at level of Mitral Valve.
125205	Area-Length Single Plane	Method for calculating left ventricular volume from a view containing the true long axis (usually the apical 4-chamber view). Volume = [8(A)2]¸[3pL].
125227	Modified Simpson	Modified Simpson's Method of estimating ventricular volume, based on the method of disks with paired apical views.Schiller NB, et al. "Recommendations for quantitation of the left ventricle by two-dimensional echocardiography. American Society of Echocardiography Committee on Standards, Subcommittee on Quantitation of Two-Dimensional Echocardiograms". J Am Soc Echocardiogr.1989 2(5):358-367. Sep-Oct.
125204	Area-Length Biplane	Method for calculating left ventricular volume from two orthogonal views containing the true long axis (usually the apical 4 and 2 chamber views). Volume = [pL1 / 6] * [(4A1) ¸ (pL1) ] * [(4A2) ¸ (pL2) ].
125226	Single Plane Ellipse	Method of estimating volume from a planar ellipse. Equivalent to Biplane Ellipse with an assumption that the ellipse in the orthogonal plane has identical major and minor diameters.
130685	Myocardial Midlayer Method	A measurement method that uses a contour representing the estimated mid-layer of the myocardium (between the endocardium and epicardium).
130684	Epicardial Method	A measurement method that uses a contour representing the estimated epicardial boundary.
130683	Endocardial Method	A measurement method that uses a contour representing the estimated endocardial boundary.
125222	Left Ventricle Mass by Truncated Ellipse	Mass = 1.05P ((b + t)2 X (2/3 (a + t) + d - d3 /3(a + t)2) - b2 (2/3a + d - d3 /3a2))a = Semi-major axis from widest minor axis radius to apex.b = Short axis radius calculated from short axis cavity areat = Myocardial thickness calculated from short axis epicardial and cavity areasd = Truncated semi-major axis from widest short axis diameter to plane of mitral annulus.Mass unit is grams and length in cm.Schiller NB et al: Recommendations for quantification of the left ventricle by two-dimensional echocardiography, American Society of Echocardiography 2:364, 1989. .
125221	Left Ventricle Mass by M-mode	Mass = 1.04 * [(ST+LVID+PWT)3 - LVID3] * 0.8+ 0.6. Mass unit is grams and length in cm.
125220	Planimetry	Direct measurement of an area by tracing an irregular perimeter.
125219	Doppler Volume Flow	Volume flow = Conduit CSA * (Velocity Time Integral).
125218	Simplified Bernoulli	ΔP = 4*V2.
125316	Directly measured	The measurement is a direct output of the measurement tool.
125217	Full Bernoulli	ΔP = 4*(V12 - V22).
125216	Proximal Isovelocity Surface Area	Utilizes aliasing velocity (by color Doppler) of flow into an orifice (often regurgitant or stenotic) to measure instantaneous flow rate, orifice area, and flow volume.The instantaneous flow rate = (2πr2vav) * (απ) where vav is the constant velocity known as aliasing velocity at radius r, vpis the peak velocity at the orifice, and α is the angle in radians of the constant velocity surface.Estimated Orifice area = Flow rate / vp, where vp is the peak velocity at the orifice and the flow rate is the PISA peak flow rate.The volume flow is then the product of the orifice area and Velocity Time Integral.
125215	Continuity Equation by Velocity Time Integral	For conduits in series ("in continuity"), volume flow is equal: A1V1 = A2V2. where V is the velocity time integral.
125272	Left Ventricle Mass by Truncated Ellipse - adjusted by Height	Equation = Left Ventricle Mass by Truncated Ellipse / Height^2.7Reference:Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio.
125271	Left Ventricle Mass by M-mode - adjusted by Height	Equation = Left Ventricle Mass by M-mode (in gram) / (Height (in meter)) ^2.7Reference:Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio.
125270	Left Ventricle Mass by Area Length	method to measure the mass of the Left Ventricle via the ASE area-length method at end diastole.LV Mass = 1.05(5/6(A1(L+t)) - 5/6(A2*L))A1 = Left Ventricle epicardial SAX area at the level of the papillary muscle tips at end diastole.A2 = Left Ventricle endocardial SAX area cavity area at the level of the papillary muscle tips at end diastole.L = Left Ventricle apical view long axis length at end diastole.t = Myocardial thickness can be computed as:t = sqrt (A1/3.14) - sqrt (A2/3.14)Reference:1) Schiller, N.B., et al. "Recommendations for Quantification of the LV by Two-dimensional Echocardiography." J Am Soc Echo, Vol. 2, No. 5: 358-367, Sep-Oct 1989.2) Reichek, N., et al. "Anatomic Validation of Left Ventricular Mass Estimates from Clinical Two-dimensional Echocardiography: Initial Results." Circulation, Vol. 67, No. 2: 348-52, February 1983.
125214	Continuity Equation by Peak Velocity	For conduits in series ("in continuity"), volume flow is equal: A1V1 = A2V2. where V is the peak velocity.
125213	Continuity Equation by Mean Velocity	For conduits in series ("in continuity"), volume flow is equal: A1V1 = A2V2. where V is the mean velocity.
125212	Continuity Equation	For conduits in series ("in continuity"), volume flow is equal: A1V1 = A2V2. where V is the velocity.
125211	Biplane Ellipse	Area = P/4 X d1 X d2d1 = anterior/posterior axisd2 = medial/lateral axisHagen-Ansert, Sandra L., Textbook of Diagnostic Ultrasound, ed. 3, The C.V.Mosby Co., 1989, p. 73. .
125210	Area by Pressure Half-Time	Mitral valve area (cm2) by Pressure Half-time = 220 (cm2.ms) / PHT (ms).
125273	Left Ventricle Mass by Area Length - adjusted by Height	Equation = Left Ventricle Mass by Area Length / Height^2.7Reference:Giovanni De Simone, et al. "Effect of Growth on Variability of Left Ventricular Mass: Assessment of Allometric Signals in Adults and Children and Their Capacity to Predict Cardiovascular Risk". New York, New York and Cincinnati, Ohio.