A female patient underwent resection of 60 cm of the small intestine due to ischemia. She is quite stable, administration of catecholamines is not necessary, and signs of shock are not present. Hypotension and oliguria alternate with phases of normotension and normal diuresis. Lab results revealed decreasing levels of inflammatory markers.
Clinical question: Does the patient need to have expanded her intravascular blood volume by fluid administration?
The lung sonography and transthoracic echocardiography were performed: