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1. 組織ドップラー心エコーtissue doppler echocardiography [show details]
… annular velocity alone or in combination with mitral inflow velocity (E) to estimate LV diastolic function are the most commonly used clinical applications. TDE assessment of mitral annular velocity (e’) …
2. 経食道心エコーによる血行動態評価hemodynamics derived from transesophageal echocardiography [show details]
… lower in velocity ( and and and ). Variables frequently measured from pulmonary venous flow velocity tracings with demonstrated utility include: Peak systolic and peak early diastolic flow velocities; Peak …
3. ドップラー心エコーの原理principles of doppler echocardiography [show details]
…maximum velocity, and abrupt onset and termination The continuous wave Doppler profile is usually "filled in" because lower-velocity signals proximal and distal to the point of maximum velocity are also …
4. 成人の大動脈弁狭窄症における大動脈弁口面積aortic valve area in aortic stenosis in adults [show details]
… stenotic jet velocity (m/s), and V_OT = left ventricular outflow tract (ie, subvalvular) velocity. In practice, the minimal contribution of left ventricular outflow tract velocity (V_OT… formula is known to underestimate the valve area and should not be used alone in low flow states. In theory, Doppler-derived valve areas should be less susceptible to low flow states. It has been suggested …
5. 収縮性心膜炎と拘束性心筋症の区別differentiating constrictive pericarditis and restrictive cardiomyopathy [show details]
…filling pressure gradient during inspiration explains the decline in filling velocity. Reciprocal changes occur in the velocity of right ventricular (RV) filling . These changes are mediated by the ventricular …

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