Results 41 to 50 of about 194,572 (160)

Low sensitivity of the echocardiograph compared with contrast transcranial Doppler in right-to-left shunt

open access: yesNeurología (English Edition), 2012
Background: Contrast transcranial Doppler (c-TCD) has a high sensitivity for detecting right-to-left shunt (RLS), and is probably higher than transthoracic echocardiography (TTE) and comparable with transesophageal echocardiography (TEE).
P. Martínez-Sánchez   +8 more
doaj   +1 more source

Doppler lidar observations of sensible heat flux and intercomparisons with a ground-based energy balance station and WRF model output [PDF]

open access: yes, 2009
This is an open access article - Copyright @ 2009 E. Schweizerbart'sche VerlagsbuchhandlungDuring the Convective and Orographically induced Precipitation Study (COPS), a scanning Doppler lidar was deployed at Achern, Baden-Wüttemberg, Germany from 13th ...
Fay Davies   +11 more
core   +1 more source

Hearing Characteristics and Doppler Shift Compensation in South Indian CF-FM Bats [PDF]

open access: yes, 1980
1. Echolocation pulses, Doppler shift compensation behaviour under laboratory conditions and frequency response characteristics of hearing were recorded inRhinolophus rouxi, Hipposideros speoris andHipposideros bicolor. 2.
Schuller, Gerd
core   +1 more source

Alteraciones en el flujo sanguíneo cerebral luego de la parada cardiorespiratoria pediátrica. Utilidad del doppler transcraneal en casi ahogamiento. Serie de casos.

open access: yesRevista Argentina de Terapia Intensiva, 2019
El casi ahogamiento es un problema serio de salud pública en todo el mundo, siendo en algunos casos la segunda o tercera causa de morbimortalidad dentro de las causas accidentales Nuestro objetivo es presentar los patrones sonográficos observados en ...
Laura Valeria Figueroa   +3 more
doaj  

Ultrasonido transcraneal en el diagnóstico del Parkinson

open access: yesRevista Finlay, 2014
La enfermedad de Parkinson es la segunda enfermedad neurodegenerativa más común, y al tratarse de una patología asociada al envejecimiento, las probabilidades de adquirir la enfermedad aumentan con la edad.
Aniley Martínez González   +2 more
doaj   +2 more sources

Surface Current Retrieval From TerraSAR-X Data Using Doppler Measurements [PDF]

open access: yes, 2010
The purpose of this paper is to investigate the estimation of surface currents directly on stripmap TerraSAR-X data, as an alternative to Along Track Interferometry.
Thomas Fritz   +7 more
core   +1 more source

Diagnostic accuracy of Doppler ultrasound technique of the penile arteries in correlation to selective arteriography [PDF]

open access: yes, 1988
In 63% of 265 patients with erectile dysfunction a relevant arterial inflow disturbance was found by Doppler ultrasound examination. Correlation between Doppler and arteriography in 58 patients showed an accuracy of 95% in detecting penile arteries and ...
Stief, Christian Georg   +4 more
core   +1 more source

Anemia de células falciformes en pediatría: Revisión de la literatura

open access: yesMedUNAB, 2018
Introducción: La anemia falciforme es una hemoglobinopatía estructural de origen genético, se caracteriza por la presencia de hemoglobina falciforme.
Tirado-Pérez, Irina Suley   +1 more
doaj   +1 more source

El accidente vascular encefálico en niños con drepanocitosis Stroke present in children presenting drepanocytemia

open access: yesRevista Cubana de Hematología, Inmunología y Hemoterapia, 2009
El accidente vascular encefálico (AVE) es una de las complicaciones más graves de la drepanocitosis. Se presenta, sobre todo, en la primera década de la vida, tiene tendencia a recurrir y puede dejar secuelas neurológicas y cognoscitivas permanentes.
Eva Svarch
doaj  

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