Introducing Katie, the newest resident of Heartbeat City!

Katie is concerned about her heart and goes to the doctor. She is sitting up, topless, exposing her beautiful C-cup breasts with nice large areolas and adorable nipples.

First the doctor auscultates all 4 valves - aortic, pulmonic, mitral and tricuspid. (Listen carefully when the stethoscope is on her mitral valve and you'll hear her S1 split!)

Next Katie takes deep breaths while the stethoscope is placed high on her chest above each breast.

And finally Katie hyperventilates while the stethoscope i... Show more