The objective of this study is to assess how fluid resuscitation, in the context of fluid responsiveness, affects the incidence and progression of systemic venous congestion in critically ill cardiac patients. Additionally, the study aims to evaluate the impact on clinical outcomes, with a particular focus on acute kidney dysfunction. This assessment will utilize the VExUS score in conjunction with comprehensive bedside echocardiographic evaluations.

Inclusion Criteria:

• Age above 18 years
• Admission to cardiac intensive care unit

Cardiac critically ill patients (mainly post cardiac surgery)

Data is available upon reasonable request and after the approval of the Steering Committee members.