Interactive Transcript
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So I think an abnormal cardiac silhouette is super
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frustrating because, um, there's lots
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of different ways the cardiac silhouette can look abnormal.
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And all of these patients go on to echocardiography.
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So I don't like to go crazy being like, oh, it has this sort
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of morphology or, you know, going crazy about, um,
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calling it abnormal because they go on to echocardiography.
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Um, there are a few morphologies that I, um,
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do pay attention to on a newborn chest x-ray,
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and the, the most common one is the wall-to-wall heart.
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So that's a good, uh, kind of abnormal cardiac morphology
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where it's massively enlarged.
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It's good to have a differential to give your
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neonatology colleagues.
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So Epstein anomaly is one
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of the more common pulmonary atresia
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with intact ventricular septum.
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You might have a huge pericardial effusion, um,
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and that will be well diagnosed on echocardiography as well.
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Or if you have a patient with tuberous sclerosis,
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you can have a very large rhabdo myoma.
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So rhabdo myomas are a cardiac tumor
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that are largest when the patient is born
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and that can give you that wall to wall heart morphology.
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And here's just an example of a patient
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with Epstein anomaly.
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Here's another example of a wall to wall heart, if you will.
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Um, and this was another patient with Epstein anomaly, um,
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just pointing out some of the support devices
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and this infant, which all look appropriate.
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We have an endotracheal tube.
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Um, in the, uh, upper to mid trachea,
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we have an umbilical venous catheter at the, uh,
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T 90 10 vertebral body level.
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So actually a little bit low line. I misspoke.
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And then this is an umbilical venous catheter.
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So the umbilical arterial catheter takes that curve
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as it's entering from the umbilicus
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and joins up with the iliac arteries.
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The umbilical vein will go straight into the umbilical vein
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towards the ductus 1 0 7.
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So this is actually a little bit high lying position
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of this umbilical venous catheter tip.
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We would ask 'em to retract it just a little bit
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to the low right atrium level.
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Um, just a quick differential for etiologies
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of congestive heart failure in a newborn infant.
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Um, you can see this list here.
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I want to point out just two of the etiologies
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that are not cardiac in nature.
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So extra cardiac etiologies
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of congestive heart failure in a newborn.
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So you'll have a chest x-ray where it sure does look like,
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um, a big heart, uh, pulmonary edema, like lots
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of pulmonary vessels.
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Uh, so plethora pulmonary vasculature,
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and then the echocardiography of that infant will be normal.
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So structurally normal heart, there are two things you need
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to recommend when you see this, uh, radiographic picture
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and then, um, get that history.
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And the first is this structure here.
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So I know we already talked earlier about head ultrasounds,
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but this is one of the things you want to ask for
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and rule out, um, when you have an infant
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with congestive heart failure.
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So this is, uh, a head ultrasound
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where we are showing this very dilated, very tortuous, um,
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vascular structure with lots of aliasing.
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This is the vein of galin aneurysmal malformation
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or, or Vega. Um,
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And this is actually a little bit of a misnomer
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because the vein of galin doesn't actually form.
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It is an, uh, arterial venous fistula
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of the median pros cephalic vein,
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everybody still calls it the vein
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of galin aneurysmal malformation.
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And the etiology of congestive heart failure is
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wholly hats vascular shunting intracranial.
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So that left right shunting causes congestive heart failure
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on a chest x-ray appearance.
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The second clinical scenario
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where you're had gonna have a chest x-ray
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that looks like congestive heart failure,
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but has a structurally normal heart, um,
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on echocardiography is a second extra cardiac shunt,
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and that is the congenital hepatic anoma.
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So congenital hemangiomas involving the liver can be
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ginormous and they can have tons of shunting of blood.
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So it is again, a left
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to right shunt causing over
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circulation at the level of the heart.
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Congenital hemangiomas are largest at the time of birth,
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so we can see them on fetal imaging.
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And this is just one of the phases
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of a a biphasic CT in this infant postnatally.
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And you can see how crazy vascular these are.
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Um, they have lots of shunting within the liver
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and so that can give you a, a chest x-ray, uh, picture
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of congestive heart failure.
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Moving on to a different topic altogether.
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Um, and that is the esophageal atresia trachea
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esophageal fistula spectrum.
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So, um, with trache, esophageal fistulas
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or esophageal atresia, the classic radiographic appearance,
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it's gonna be that they can't pass a ogle tube, um,
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pass the upper, uh, thoracic esophagus.
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And so on an x-ray you're gonna see a ogle tube stuck
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above the level of the thoracic inlet.
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And in this example, we can see gaseous distension
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of this upper esophagus.
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And so this is esophageal atresia.
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There are types of esophageal atresia with
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and without trache esophageal fistulas that I,
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I will let you Google, but uh, it's important
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to tell your clinical team is there a fistula
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or is there not a fistula?
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So I don't go through type one, type two,
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type two, type type five.
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I just say this is esophageal atresia.
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And then if you don't have anything in your stomach,
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if you don't have distal bowel gas, there is no fistula
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because there was no way for bowel gas
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to bypass the atretic upper esophagus
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to get into the stomach and into bowel.
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The good news is most of the patients
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who have esophageal atresia with
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or without a fistula, they have an idea
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that it exists on prenatal imaging
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because they, if there's no fistula,
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they don't see a stomach full of fluid, um,
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on fetal ultrasound
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or if it's a patient with a fistula,
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they will see a distended upper esophagus.
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Typically, if not, it will be an infant who presents
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with respiratory distress
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and they have failure to pass a repo type enteric two
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or any type of an enteric tube pass the
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upper, um, esophagus.
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When you see a patient
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that you're concerned about esophageal
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atresia, either with or
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Without a fistula, I want you to stop
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and ask yourself where is the vertebral body anomaly?
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And so this one is subtle in this infant.
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All of these vertebral bodies look okay until we get
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to the inferior sacrum.
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So this is a vertebral anomaly associated with a es,
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an esophageal atresia.
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So now we're dealing with the ral spectrum.
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So this infant will undergo, uh, screening echocardiography,
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plus this patient will get a spine ultrasound
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to rule out spine malformations.
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And then last but not least,
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they will also get a renal ultrasound
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to rule out renal anomalies.
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So that is the ral spectrum.
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Um, all diagnosed on one little
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chest and abdomen radiograph.
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Okay, how about this other type of fistula?
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Um, so this is a grainy example.
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I'm sorry, but you can tell this is a ogle type enteric
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tube, not an endotracheal tube
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because it has these radiolucent bands in the catheter.
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So this is an enteric tube, not an endotracheal tube.
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This one will say there is a fistula
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because there is gas that has been able to pass through
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that, uh, esophageal atresia
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through the tracheal esophageal fistula.
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So gas is now in the stomach.
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Yes, this is a very distended stomach for whatever reason,
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sometimes these patients, uh, preoperatively, we'll go
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to esophagus to try to delineate that fistula.
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More often than that than not, they go straight to the
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or in our experience,
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but we see them postoperatively looking
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for either a recurrent fistula
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or a postoperative leak as in this example.
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So you can see this, um, abnormal communication between, uh,
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this is our enteric tube that we have dropped to the level
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of the aortic arch approximately.
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We, um, pretty forcefully inject contrast to try
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to get contrast to pacify this fistula communication
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between the airway and the esophagus.
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So this is a trache esophageal fistula that, um,
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persisted postoperatively.