Balloon Pumps are part of LV support and reduction of ischaemic burden or prophylaxis in poor LVF cases.
They are run and maintained by the perfusion service and senior nurses of CICU and the consultants.
Luckily the are now fairly automatic in areas that you will come across them in use.
Below are a couple of guides to demystify them ?
For a good overview of IABP's in general see this great 25min YouTube video
published on Jan 11, 2014 from Westmead Hospital with credit to presenter Florian Paturi for sharing knowledge