A new Valsalva blowing device in the diagnosis of right-to-left shunt using contrast-enhanced transcranial Doppler ultrasound

Abstract Background Patent foramen ovale (PFO) is a remnant of normal fetal anatomy and is present in approximately 25% of adults. PFO mainly causes right-to-left shunt (RLS). Clinical identification of RLS is crucial for certain patients, particularly those with a history of cryptogenic stroke or o...

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Detalhes bibliográficos

Principais autores:	Lifei Tian, Jiangyan Li, Yan Gao, Le Zhang
Formato:	Artigo
Idioma:	Inglês
Publicado em:	BMC 2025-10-01
coleção:	European Journal of Medical Research
Assuntos:	Right-to-left shunt Patent foramen ovale Valsalva maneuver Modified blowing device Transcranial Doppler ultrasound
Acesso em linha:	https://doi.org/10.1186/s40001-025-03305-9
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