#ventricle

The heart of a frog only has three chambers (the left atrium, right atrium and ventricle). So, deoxygenated and oxygenated blood is separated in the atria, however there is potential for mixing in the ventircle (located below the atria).

Mobile Sim

Today’s smartphones are as powerful as some computers, and technology is constantly improving. Here their pocket-sized processors are being put to good use for doctors – never without their phones to access records and messages – doing something that requires a little more power. Mathematical models simulate beating hearts (grey) – highlighting waves of electrical activity in each ventricle chamber in rainbow colours. Each virtual ventricle compares with similar patterns seen in living hearts (to the right) from pigs (top row) and rabbits (middle). Tweaking the model’s settings produces simulations to match human patients (bottom), potentially giving doctors a portable visual tool for studying, discussing and treating irregular beats, or arrhythmias. Heart simulations have their origins in the 1960s, when a computer the size of a small car might have been required to run much simpler models, begging the question – given another 60 years, what will smartphones be able to do for us?

Written by John Ankers

Image from work by Abouzar Kaboudian, Elizabeth M. Cherry and Flavio H. Fenton

School of Physics, Georgia Institute of Technology, Atlanta, GA, USA

Image originally published under a Creative Commons Licence (BY-NC 4.0)

Published in Science Advances, March 2019

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