August 9, 2023

5 Things to Know about Using Fractional Area Change (FAC) to Assess RV Function

Before jumping into assessing the RV with the Fractional Area Change method, lets recap the past couple weeks. Last week, we talked about two methods for quantifying the function of the RV (TAPSE & S’ Wave). We selected these methods to explain first due to ease, reproducibility and established prognostic value. As some of our readers pointed out and as we discussed the TAPSE and S’ Wave methods do have limitations though. The 3 main limitations are:

TAPSE and RVSP – Prognostic Value When Viewed as an Index

We have been teaching on correct techniques for right heart assessment (including TAPSE and RVSP) for a while now and we still seem to face a little resistance sometimes in regards to the clinical significance of right heart assessment. In order for us to learn and retain information we often have to understand the relevance and make a connection between what we are learning and how it relates to things we know.

10 Tips for Correct RA Size Quantification

We have been discussing the importance of evaluating the right heart over the past few blogs this month. The ASE updated the chamber quantification guidelines that provided us with the correct methods to measuring size and function of the right ventricle (RV) and atrium (RA). This week, we are going to talk about the proper method to measuring the size of the right atrium! We will review both the preferred volumetric measurement methods and the linear measurements of the right atrium.

Essential Steps to Creating MPI Patient Centered Imaging Protocols

This week we are continuing the discussion of the movement in nuclear cardiology towards patient centered imaging and the emphasis on reduction of radiation exposure. Many organizations are changing guidelines and standards to align with these principles, one of them being the Intersocietal Accreditation Commission (IAC). Patient centered imaging is the focus of many changes in nuclear accreditation guidelines. In our last blog, we discussed 5 ways to reduce radiation exposure. IAC implemented all of these in their guidelines. Here is a quick review:

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