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Myocardial oedema in the setting of immersion pulmonary oedema - Cause or effect?
  1. James Oldman1,
  2. Sarah Morwood1,
  3. James Willis1 and
  4. Daniel Xavier Augustine1,2
  1. 1Cardiology, Royal United Hospitals Bath NHS Foundation Trust, Bath, UK
  2. 2University of Bath, Bath, Bath and North East Somerset, UK
  1. Correspondence to Dr James Willis; james.willis{at}


Immersion pulmonary oedema (IPE) is an under-reported and poorly understood phenomenon thought to be related to exercise-induced haemodynamic changes while submersed in water. Previous work has demonstrated reversible myocardial dysfunction during acute episodes. We present a case of IPE with concomitant, transient, left ventricular myocardial oedema characterised via MRI. This is a novel finding and may be evidence of left ventricular strain due to pressure overload or secondary to a subclinical myocarditis.

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  • Contributors JO collected the clinical information and authored the initial draft of the case report. SM and JW provided input into subsequent drafts. DXA oversaw the process and provided input into the final draft of the case report.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.