نتایج جستجو برای: spectral doppler

تعداد نتایج: 208190  

Journal: :Circulation 2014
Bahaa M Fadel Hatem Bakarman Odd Bech-Hanssen Valeria Pergola Giovanni Di Salvo

A 42-year-old man had undergone mitral valve (MV) replacement 12 years earlier with the use of a CarboMedics bileaflet mechanical prosthesis (Sorin Biomedica). On a routine visit, he was asymptomatic, and cardiac auscultation revealed closing and opening MV clicks. A transthoracic echocardiogram with the use of a 2-beat acquisition protocol showed normal excursion of both MV discs (Figure 1; Mo...

2009
Ansgar Reiners

Direct measurements of magnetic fields in low-mass stars of spectral class M have become available during the last years. This contribution summarizes the data available on direct magnetic measurements in M dwarfs from Zeeman analysis in integrated and polarized light. Strong magnetic fields at kilo-Gauss strength are found throughout the whole M spectral range, and so far all field M dwarfs of...

2014
DOMINGO CASAMIAN-SORROSAL

Next to dogs and cats, rabbits are popular companion animals in the United Kingdom with 1.7 million kept as pets. Almost 60% of these rabbits are registered with a veterinary practice. The number of reported or anecdotal reports describing congenital or acquired cardiac diseases is increasing, which results in a growing demand to perform echocardiography in pet rabbits as clinical cases. Report...

Journal: :IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 2020

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