heart-lung machine
noun
: a mechanical pump that maintains circulation during heart surgery by shunting blood away from the heart, oxygenating it, and returning it to the body
Examples of heart-lung machine in a Sentence
Recent Examples on the Web
This alternative type of cancer treatment uses a heart-lung machine to heat a patient's blood outside the body as a means of shrinking tumors.
—
Khloe Quill, Fox News, 19 Feb. 2025
The procedure offers an alternative to connecting the patient to a heart-lung machine and repairing or replacing the mitral valve in open-heart surgery.
—Kff Health News, The Mercury News, 16 July 2024
Most viral pneumonia can only be treated with supportive care, such as providing oxygen; people with severe cases may require ventilators, heart-lung machines and other forms of mechanical ventilation, Offit says.
—Tara Haelle, Scientific American, 19 Dec. 2023
The basic technology behind ECPR has existed since the 1950s, when both CPR and the first heart-lung machines were developed.
—Erica Westly, Scientific American, 27 Nov. 2023
See All Example Sentences for heart-lung machine
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Khloe Quill, Fox News, 19 Feb. 2025
The procedure offers an alternative to connecting the patient to a heart-lung machine and repairing or replacing the mitral valve in open-heart surgery.
—Kff Health News, The Mercury News, 16 July 2024
Most viral pneumonia can only be treated with supportive care, such as providing oxygen; people with severe cases may require ventilators, heart-lung machines and other forms of mechanical ventilation, Offit says.
—Tara Haelle, Scientific American, 19 Dec. 2023
The basic technology behind ECPR has existed since the 1950s, when both CPR and the first heart-lung machines were developed.
—Erica Westly, Scientific American, 27 Nov. 2023
See All Example Sentences for heart-lung machine
Cite this Entry
“Heart-lung machine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart-lung%20machine. Accessed 8 Jul. 2025.
Copy CitationMedical Definition
heart-lung machine
noun
heart-lung ma·chine
ˌhärt-ˈləŋ-mə-ˌshēn 
: a mechanical pump that maintains circulation during heart surgery by shunting blood away from the heart, oxygenating it, and returning it to the body
Love words? Need even more definitions?
Merriam-Webster unabridged
Share