Complementary examinations other than neuroimaging and neurosonology in acute stroke

Figure 1 Cheyne-Stokes respiration in a patient with lacunar cerebral infarction[49]. BPM: Blood pressure.

Figure 2 Temporal artery biopsy (elastin stain) in a patient (A) with Horton arteritis showing the presence of multinucleated giant cells (courtesy of Dr. Isidro Ferrer) (B).

Figure 3 Ragged red fibers in muscle biopsy, stained with modified Gomori trichrome, characteristics of mitochondrial encephalomyopathy.