c l i n i c a l f o l i o s : n a r r a t i v e





A D V E R T I S E M E N T

 

Aortic Valve Replacement: 22

A D V E R T I S E M E N T

   
 

A cannula to deliver cardioplegia solution to arrest the heart has been placed into the coronary sinus via a purse-string suture in the lower right atrium. The cannula is also secured with an orange snare. The venous cannula is visible in the background as it exits the right atrium.      

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Aortic Valve Replacement: 23

A D V E R T I S E M E N T

   
 

The coronary sinus opens into the base of the right atrium near the tricuspid valve (see heart anatomy ). High potassium cardioplegia solution goes into the heart's venous system and percolates backwards (or retrograde) into the arterial system and heart muscle causing the heart muscle to stop pumping.      

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Aortic Valve Replacement: 24

A D V E R T I S E M E N T

   
 

A cannula to deliver cardioplegia to arrest the heart has been placed into the aorta below the aortic cannula. High potassium cardioplegia solution goes into the aorta and into the coronaries in forward (or antegrade) fashion to arrest the heart. Also seen is the venous cannula to the right and arterial cannula to the left.      

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This page was last modified on 5/17/2000.