Anatomy All the following are true about Chiari network in the heart except: A It is due to incomplete resorption of the left valve of sinus venosus B It originates from the Eustachian valve and connects to the coronary sinus C It is nothing but fenestrated Eustachian valve D It is a network in the Eustachian valve 💡 Explanation All the following are true about Chiari network in the heart except: ✓ Correct Answer: A. It is due to incomplete resorption of the left valve of sinus venosus