@MerlinLarsonMD1 One of the most reproducible physiological models of cardiac function I used was a Langendorf prep for rat heart, basically the same exact experiments as you describe from more than a century earlier.
This is literally me, every day in October, waiting for @jeffgadsden to wake up and release his latest #Blocktober#Blocktober24 post!
Anyone else doing the same?! 😂😂