A New Kid on the Block in POCUS: “LISA”

A new kid on the Block in POCUS: “LISA”

Transesophageal echocardiography (TTE) and computed tomography angiography (CTA) are methods of choice for definitive diagnosis and prognostic stratification of acute aortic syndromes (AAS). Point-of-care ultrasound (POCUS) has important applications in the initial workup of these patients in the emergency room (ER), ruling out other potential causes of chest pain and allowing a faster diagnosis, although conventional transthoracic echocardiographic acoustic windows do not allow for imaging of some segments of the thoracic aorta (TA), especially the descending TA (DTA).

A 49-year-old man, with a 20-day history of dorsal and abdominal pain, shortness of breath (NYHA-III) and peripheral edema was admitted to the hospital ER. He had uncontrolled systemic hypertension and a history of smoking, without a family history of aortic diseases or sudden death.

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