Quantifying Cardiothoracic Variation with Posture and Respiration to Inform Cardiac Device Design.
Geeth A KondaveetiVarun A BhatiaRyan P LahmMegan L HarrisJames P GaewskyF Scott GayzikJohn F GreenhalghCraig A HamiltonR Brandon StaceyAshley A WeaverPublished in: Cardiovascular engineering and technology (2022)
This study demonstrates that the location of the heart with respect to the rib cage varies with posture and respiration. The gravitational effects of postural shifts on the heart position are roughly 2-3 times larger than the effects of normal respiration.