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An 82-year-old man complains to his physician at his yearly checkup that his legs begin to ache about half way through his daily 2-mile walk. The pain subsides within 1 or 2 minutes after he stops walking. He also complains of erectile dysfunction. Which of the following is most likely to be decreased in this man?
A. Arterial oxygen content
B. Arterial pulse at the ankle
C. Oxygen extraction in his leg muscles
D. Peripheral vascular resistance
E. Serum lipid leve
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i think B ??.... due to hardening of arteries.
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A is the naswer becz .. there is erectile problem .. that suggest an obst. high up in the iliac aa
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B is right. This is Kaplan Q bank Q. I believe B is the given answer. Reason? Just like what Victor said.
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And besides, the obstruction won't change the O2 content, only the lung can do so.
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It's Lerich's syndrome which is aorto-iliac thrombosis.
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leriche syndrome =male impotence+atrophy of calf muscles+claudication
