Shock after Mechanical Thrombectomy for Acute Ischemic Stroke: A Point-of-Care Ultrasound Diagnosis.

• POCUS can help identify etiology of acute ischemic stroke and expedite management. • POCUS is a useful initial screening modality for type A aortic dissection. • Type A aortic dissection extending to the carotids is an important cause of stroke. • POCUS is valuable to diagnose the etiology of shock in critically ill patients.