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Anatomy Surfaces and Grooves 5d24c4a7

Triangle of Koch is the landmark for :

A
SA node
B
Bundle of His
C
AV node
D
Purkinje fibres
High-Yield Explanation
Triangle of KochTriangular area in right atrium- Marks the site of AV NODEBoundaries- Anterior : Base of septal leaflet of tricuspid valve- Posterior : Anteromedial margin of opening of coronary sinus- Superiorly : Tendon of Todaro

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