Physics and Guidelines

Question 1

Absolute CI to TEE (4)

Answer 1

Esophageal obstruction, esophageal diverticulum, active GIB, esophageal perforation

Question 2

What is the speed of sound through tissue

Answer 2

1540 m/s

Question 3

Oncology guidelines for stopping chemo

Answer 3

Decrease of >3% in GLS: Start cardioprotective agents

Decrease in EF >10% or to absolute <53%: Rpt in 2 weeks

Question 4

What are the linear cutoffs for RV dilation?

Answer 4

>41 mm at the base and >35 mm at the mid level

Question 5

What are teh cutoffs for RIMP, TAPSE, EF, and S’ for RV dysfunction?

Answer 5

RIMP >0.43 (PW) or >0.54 (DTI)

TAPSE < 17

EF <35%

S’ <9.5