51.0 MB (1.6 MB compressed)
3803 x 4687 pixels
32.3 x 39.6 cm ⏐ 12.7 x 15.6 in (300dpi)
JOHN BAVOSI / SCIENCE PHOTO LIBRARY JOHN BAVOSI / SCIENCE PHOTO LIBRARY
Lung oedema in heart failure. Illustration showing leakage of fluid (oedema) into the lung due to heart failure. A magnified circle shows one of the lung's air sacs filled with fluid. The large red vessel is the aorta, the main artery taking blood from the heart to the body. To its left is the vena cava (blue), which brings blood back. To its right is the pulmonary artery (blue), which takes blood to the lungs. At top left is the windpipe, shown leading to airways in the lung. Heart fail- ure is when the heart fails to empty itself fully with each beat, causing a backflow of pressure ag- ainst the pulmonary vein. This results in fluid leaking into the lungs, with symptoms like asthma.
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