Thursday, November 26, 2020

Shunt fraction and its importance

 Hello Awesomites! :D

Qp/Qs =Shunt fraction or shunt flow (where p=pulmonary s=systemic)

-Ratio >1 left to right shunt suggestive of more pulmonary flow than systemic flow.

If VSD has a ratio >2:1 then indication for surgery.

-Ratio <1 Right to left shunt 

NOTE: Supracristal VSD needs surgery always as associated with AR or PS. 


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