Invisible Active Bleeding Due to the Watershed Phenomenon.
Miloud DewildeBirgitt JanssensPublished in: Journal of the Belgian Society of Radiology (2024)
A case is presented of an 83-year-old female patient with a strong suspicion of active bleeding, but no diagnostic contrast blush could be seen on the original computed tomography (CT) scan. Teaching point: When performing CT angiography in veno-arterial extracorporeal membrane oxygenation (VA-ECMO), it is important to understand the altered haemodynamics, as flow-related artefacts such as the vascular watershed phenomenon can obscure bleeding.
Keyphrases
- extracorporeal membrane oxygenation
- computed tomography
- acute respiratory distress syndrome
- atrial fibrillation
- dual energy
- contrast enhanced
- respiratory failure
- positron emission tomography
- image quality
- magnetic resonance imaging
- magnetic resonance
- case report
- mechanical ventilation
- water quality
- medical students