A 63-Year-Old Man Collapses at Home After Experiencing Severe Retrosternal

A 63-year-old man collapses at home after experiencing severe retrosternal chest pain.  The emergency medical team finds him with no pulse, and cardiac monitoring shows ventricular fibrillation.  Cardiopulmonary resuscitation is performed, and the patient regains spontaneous circulation after several minutes.  On arrival at the hospital, he has stable vital signs but does not follow commands or respond to strong stimuli.  Which of the following areas is most likely to be affected first by ischemic damage in this patient?

A) Caudate nucleus
B) Hippocampus
C) Hypothalamus
D) Substantia nigra
E) Thalamic nuclei

Correct Answer:

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