Respiratory maneuvers in echocardiography: a review of clinical applications

During echocardiographic examination, respiration induces cyclic physiological changes of intracardiac haemodynamics, causing normal variations of the right and left ventricle Doppler inflows and outflows and physiological variation of extracardiac flows. The respiration related hemodynamic variatio...

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Bibliographic Details
Published in:Cardiovascular ultrasound 2009-08, Vol.7 (1), p.42-42, Article 42
Main Authors: Ginghina, Carmen, Beladan, Carmen C, Iancu, Madalina, Calin, Andreea, Popescu, Bogdan A
Format: Article
Language:English
Subjects:
Cardiovascular Diseases - diagnostic imaging
Echocardiography - methods
Humans
Image Enhancement - methods
Respiratory Mechanics
Review
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Summary:During echocardiographic examination, respiration induces cyclic physiological changes of intracardiac haemodynamics, causing normal variations of the right and left ventricle Doppler inflows and outflows and physiological variation of extracardiac flows. The respiration related hemodynamic variation in intra and extracardiac flows may be utilized in the echocardiography laboratory to aid diagnosis in different pathological states. Nevertheless, physiologic respiratory phases can cause excessive translational motion of cardiac structures, lowering 2D image quality and interfering with optimal Doppler interrogation of flows or tissue motion.This review focuses on the impact of normal respiratory cycle and provocative respiratory maneuvers in echocardiographic examination, both in physiological and pathological states, emphasizing their applications in specific clinical situations.
ISSN:1476-7120
1476-7120
DOI:10.1186/1476-7120-7-42