Childhood cancer survivors are advised to undergo screening for the detection of heart dysfunction because of known anthracycline-induced cardiotoxicity. However screening with echocardiography -- the standard of care for monitoring heart function -- can be highly variable and limited. Read: World Health Day 2018: Universal health coverage and disease burden of cancer Another alternative is cardiac magnetic resonance (CMR) imaging which is expensive and is not widely accessible. In the study the team tested Vivio -- a prototype handheld instrument which collects pulse waves and phonocardiogram data from the carotid artery. The results showed that the device was accurate and it