Inside Bangalore's busy heart hospital
Cannot play media. Sorry, this media is not available in your territory.
Narayana Hrudayalaya Cardiac Hospital in Bangalore is one of the world's busiest heart hospitals.
The volume of operations drives down the cost, enabling poorer people to afford heart surgery.
The Health Show is broadcast on BBC World News on Saturdays at 1010 and 2010 GMT and on Sundays at 0710 and 2310 GMT. The programme is supported by the Bill and Melinda Gates Foundation.