Hi, this is Tom, and in this episode I'm going to be going through Williams Syndrome.

And you can find notes at zero to finals.com slash Williams and in the zero to finals pediatrics book.

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So let's jump straight into this episode on Williams Syndrome.

William's Syndrome is caused by a deletion of genetic material on one copy of chromosome 7.

It's usually the result of a sporadic deletion around the time of conception.

It happens randomly.

Rarely, it can be inherited from an affected parent, in which case it's autosomal dominant.

Let's go through the features.

The key features of Williams Syndrome

include a broad forehead, a short nose,

stellate iris,

which refers to a star-like pattern on the iris in the eye,

a long philtrum, which is the groove above the upper lip, a wide mouth with small teeth, micronathia, which is a small chin, a very sociable

and trusting personality, and mild to moderate learning disability.

Atom tip for you, the key features to remember are the very sociable personality,

...