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Doppler-derived right ventricular myocardial performance index in neonates:Normal values
RV MPI Normal values newborn infants
2009/12/25
Doppler-derived myocardial performance index (MPI), defined as the sum of isovolumetric contraction and relaxation durations divided by ejection time, is an easily measured and reproducible index that...
Role of Tissue-Doppler Imaging to Assess Left Ventricular Function in Patients with Right Ventricular Pacing
Tissue-doppler imaging Left ventricular function Right ventricular pacing
2015/9/18
Background: Right ventricular apical (RVA) pacing has been reported to impair diastolic and systolic function. These changes were usually studied by conventional echocardiography, while tissue-doppler...
The Evaluation of Microanastomoses in Rats with Color Doppler Ultrasonography
Color Doppler Ultrasonography Microanastomosis Vascular patency
2009/7/2
Purpose: To evaluate the vascular patency of microanastomoses in rats with color Doppler ultrasonography. Materials and Methods: 15 superficial femoral and 15 carotid arterial end-to-end anastomoses w...
Diastolic Dysfunction:Pathogenesis,Therapy and the Importance of Doppler Echocardiography
Diastolic dysfunction Doppler echocardiography
2009/6/30
Diastolic dysfunction is characterized by increased resistance to ventricular filling, inappropriate upward shift of the diastolic pressure-volume relationship and exercise intolerance. Inappropriate ...
Assessment of Normal Doppler Parameters of Portal Vein and Hepatic Artery in 37 Healthy Iranian Volunteers
ultrasonography Doppler hepatic artery portal vein hypertension portal
2010/2/9
Background/Objective: Doppler sonography is a valuable noninvasive method for the diagno-sis of various liver diseases. However, there is scarce information on normal parameters of hepatic artery (HA)...
ASSESSMENT OF VERTEBRAL ARTERIES BLOOD FLOW SPECTRAL DOPPLER INDICES IN COMPARISON WITH INTERNAL AND COMMON CAROTID ARTERIES BLOOD FLOW SPECTRAL DOPPLER INDICES
spectral Doppler sonography spectral Doppler Indices Vertebral artery common carotid artery internal carotid artery
2010/4/7
Vertebrobasilar insufficiency is the cause of cerebrovascular accidents in 20% of cases. There are few reports regarding spectral Doppler indices (SDIs) of vertebral arteries (VAs) normal blood flow. ...