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METHOD FOR DIAGNOSING DIASTOLIC LEFT VENTRICULAR DYSFUNCTION OF TYPE III IN A PATIENT WITH SINUS RHYTHM WITHOUT PRIMARY MITRAL REGULATION AND MITRAL VALVE STENOSIS
METHOD FOR DIAGNOSING DIASTOLIC LEFT VENTRICULAR DYSFUNCTION OF TYPE III IN A PATIENT WITH SINUS RHYTHM WITHOUT PRIMARY MITRAL REGULATION AND MITRAL VALVE STENOSIS
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机译：诊断无窦性心律调节和二尖瓣狭窄的窦律性心律失常的III型舒张期左心室功能障碍的方法
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摘要
The invention relates to medicine and can be used in ultrasound diagnostics for the diagnosis of diastolic dysfunction of the left ventricle III (restrictive, severe) type in a patient with sinus rhythm without primary mitral regurgitation and mitral valve stenosis. The objective of the invention is to provide the possibility of diagnosing type III left ventricular diastolic dysfunction in patients with sinus rhythm. The problem is solved by a method for diagnosing diastolic dysfunction of the left ventricle type III in a patient with sinus rhythm without primary mitral regurgitation and mitral valve stenosis, which consists in determining the level of the N-terminal precursor of brain natriuretic peptide (NT-proBNP) in the blood serum, in the mode Pulse-wave Doppler imaging determines the ratio of the velocities of the peaks E and A of the transmitral blood flow (E / A), the deceleration time of the peak E of the transmitral blood flow (DT), the left ventricular ejection fraction (LVEF) and when the NT-proBNP value is more than 408 pg / ml, the value An E / A of more than 1.86, a DT of 146 m / s or less, and an LVEF of 49.51% or less, diagnose type III left ventricular diastolic dysfunction.
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