Probably named after the sound it makes when dropped, LUB-DUB is a premium stethoscope offered by Revival Surgicals, a reputed manufacturer of Medical Equipment based in India.
The stethoscope is ISO 9001:2008 certified which basically means that it follows certain industry standards while being manufactured and these standards are very high.
Opt for the Lub-Dub if you’re interested in a more premium branded stethoscope. Will easily last the duration of your MBBS course. A good option for PG residents as well.