Which one of the following is the most reliable way to determine the size of the new THV? (poll 15693870)

Which one of the following is the most reliable way to determine the size of the new THV?

Measure the inner dimensions of the mitral annulus using transthoracic echocardiography.

Measure the dimensions inside of the MAC on MDCT.

Use an invasive sizing balloon in the catheterization laboratory within the mitral orifice from a right anterior oblique caudal view.

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