open heart blockages

https://www.youtube.com/watch?v=UPL0lVDFXt4

https://www.youtube.com/watch?v=zFnHdjA97vE

https://www.youtube.com/watch?v=dcQJRgpFXA8

https://www.youtube.com/watch?v=ZlqQIkbf-Hs

https://www.youtube.com/watch?v=ZlqQIkbf-Hs

https://www.youtube.com/watch?v=AHZqyxH5G44

https://www.youtube.com/watch?v=VNqAwK9TSwA

https://www.youtube.com/watch?v=SiMIRYBUrEE

https://www.youtube.com/watch?v=6IbD2pIGONM

https://www.youtube.com/watch?v=XO-So_y57bc