Fig. 2.
The flowgram of diagnosis of Chinese ischemic stroke subclassification. LAA, Large artery atherosclerosis; CS, Cardiogenic stroke; PAD, penetrating artery disease; OE, other etiologies; UE, undetermined etiology. Evidence of aortic arch atherosclerosis: aortic plaques >4 mm and/or aortic thrombi, detected by High-resolution magnetic resonance imaging/Magnetic Resonance Angiography (HR-MRI/MRA) and/or Transesophageal echocardiography (TEE)