Dilation procedure	Operation to open an interatrial communication
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Enlargement of pre-existing atrial septal defect (procedure)
	Enlargement of pre-existing atrial septal defect
	vergroting van pre-existent atriumseptumdefect
	vergroting van reeds bestaand ASD

Id	7824000
Status	Primitive

Method

Dilation - action

Method	Opening - action
Procedure site - Direct	Interatrial septum structure

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Open enlargement of atrial septal defect1