An honest review of the Littmann Cardiology IV after years of daily use in veterinary practice. Let me tell you what happened with my first stethoscope. I bought what I was told to buy. A mid-range Littmann — perfectly adequate, widely recommended, the kind of thing that appears on every vet student checklist without much explanation. It did the job. I used it for a couple of years. And then I upgraded to the Cardiology IV and realised I had been missing things. Not dramatica