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Canadian Journal of Cardiology

Emerging applications of extra-cardiac ultrasound in critically ill cardiac patients

Published:December 09, 2022DOI:https://doi.org/10.1016/j.cjca.2022.11.015

      Abstract

      Point-Of-Care ultrasound has evolved as an invaluable diagnostic modality and procedural guidance tool in the care of critically ill cardiac patients. Beyond focused cardiac ultrasound, additional extra-cardiac ultrasound modalities may provide important information at the bedside. In addition to new use of existing modalities such as pulsed-wave Doppler ultrasound, the development of new applications is fostered by the implementation of additional features in mid-range ultrasound machines commonly acquired for intensive care units, such as tissue elastography, speckle tracking, and contrast-enhanced ultrasound quantification software. This review aims to explore several areas in which ultrasound imaging technology may transform care in the future. First, we review how lung ultrasound in mechanically ventilated patients can enable the personalization of ventilator parameters and help liberate them from mechanical ventilation. Secondly, we review the role of venous Doppler in the assessment of organ congestion and how tissue elastography may complement this application. Finally, we explore how contrast-enhanced ultrasound could be used to assess changes in organ perfusion.

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