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A 66 year-old woman presents with severe heart failure. She is found to have an increased arterial elastance (Ea), increased LV end-systolic elastance (Ees), and prolonged TAU.

Which of the following is the most likely underlying etiology?

  1. HFpEF
  2. HFrEF
  3. Infiltrative cardiomyopathy
  4. Constrictive pericarditis

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