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>> HI, I'M DR. MARK FOGEL.
I'M THE DIRECTOR OF CARDIAC MR HERE AT THE CHILDREN'S
HOSPITAL OF PHILADELPHIA AND PROFESSOR OF PEDIATRICS
AND RADIOLOGY.
I'M PRESENTING HERE AT CARDIOLOGY 2012 SOME
OF THE WORK THAT WE'VE DONE AND THE EXCITING WORK THAT'S
GOING TO HAPPEN IN THE FUTURE ON FETAL CARDIAC MR.
FETAL CARDIAC MR IS A TECHNIQUE WHEREBY WE CAN IMAGE
THE FETAL HEART FROM A FUNCTIONAL STANDPOINT
AS WELL AS AN ANATOMIC STANDPOINT BY MRI.
THAT'S EXCITING BECAUSE THREE-DIMENSIONAL IMAGING
CAN BE DONE BY MRI WHERE NOT ONLY CAN ONE TAKE
THREE-DIMENSIONAL ANATOMY, BUT ONE CAN ALSO LOOK
AT THREE-DIMENSIONAL IN THE FUNCTIONAL
AND PHYSIOLOGY WORLD.
FOR EXAMPLE, THAT MEANS LOOKING AT LEFT VENTRICULAR
VOLUMES OR RIGHT VENTRICULAR VOLUMES INSTEAD OF JUST
DIMENSIONS, IT MEANS LOOKING AT FLOW INSTEAD OF JUST
VELOCITY, AND IT MEANS BEING ABLE TO DO THINGS LIKE
COMPUTATIONAL FLUID DYNAMIC MODELING IN THE FETUS AS WELL.
WE WERE THE FIRST ONES TO PUBLISH IN FETAL CARDIAC MR,
AND FROM A FUNCTIONAL STANDPOINT BACK IN 2005,
AND TODAY I'LL SHOW YOU A LITTLE BIT REGARDING SOME
OF THE THINGS THAT CAN BE DONE WITH FETAL CARDIAC MR.
SO FIRST I'D LIKE TO SHOW YOU A PICTURE OF A FOUR-CHAMBER
VIEW OF A PATIENT WITH TETRALOGY OF FALLOT
AND YOU CAN SEE THE HEART'S BEATING THERE.
THIS IS THE MOTHER'S BELLY, THIS IS THE BABY'S SPINE,
AND THAT'S THE FOUR-CHAMBER VIEW.
HERE YOU CAN SEE--
--HERE YOU CAN SEE AN INTERACTIVE VERSION OF THIS
WHERE WE CAN TAKE ALL THREE DIFFERENT PLANES
AND USE THIS LINE AS A CURSOR TO BE ABLE TO MOVE IT,
AND IN THIS REAL-TIME WINDOW, ONE CAN GO
FROM A FOUR-CHAMBER VIEW AND ACTUALLY SWEEP,
AS ONE DOES IN ECHOCARDIOGRAPHY,
TO GET A WHOLE SENSE OF THE HEART WITHIN THE CHEST.
ONE OF THE ADVANTAGES OF CARDIAC MR IS IT HAS A WIDE
FIELD OF VIEW AS COMPARED TO ECHO.
SO FOR NOW, INSTEAD OF THE FOUR-CHAMBER VIEW,
WE'RE IN THE LONG AXIS VIEW OF THE LVOT,
WHICH YOU CAN SEE RIGHT HERE.
HERE'S THE ABDOMINAL CONTENTS,
HERE'S THE HEAD AND HERE'S THE FOOT.
HERE'S THE MOTHER'S BELLY AND NOW WE'VE MOVED BACK
INTO THE FOUR-CHAMBER VIEW AGAIN.