What is the value of longitudinal strain in oncology patients?

In this case of an obese patient presenting with dyspnea, the reason for the symptoms seems to be found quickly. But is diastolic dysfunction really the whole story? Watch this clip to see once again the added value of speckle tracking echocardiography.

With strain being found more and more in guidelines, the question is only natural if we should use it for timing aortic valve surgery. Here's our take on this.

What could this young patient with spondylarthritis, joint pain, terminal renal failure, and upper GI bleeding have for an underlying disease?