D-shaped septum in systole and diastole

[Cadet133]

Assuming CTA rules out PE and ECHO shows no RT ventricular dysfunction. What would you make of this finding on lexiscan stress test?

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[greatnt249]

Assuming CTA rules out PE and ECHO shows no RT ventricular dysfunction. What would you make of this finding on lexiscan stress test?

I would probably first question the validity of the finding on the Lexiscan, especially if there was no such finding on TTE.

 

[Cadet133]

I would probably first question the validity of the finding on the Lexiscan, especially if there was no such finding on TTE.

I would probably first question the validity of the finding on the Lexiscan, especially if there was no such finding on TTE.

Or vice versa?

 

[aafisahar]

Lexiscan isn't an anatomic study, it's good for perfusion and anything else is incidental. We've all seen Lexis call an EF 30% which on the echo doesn't pan out.

If it's not on the echo and patient has no evidence of right heart dysfunction, I'd call the lexi a false positive.

 

[greatnt249]

Or vice versa?

MPI doesn't have the temporal resolution that echocardiography does, so...no.