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A 64-Year-Old Man Has Had Difficulty Walking for 6 Months

question 688

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A 64-year-old man has had difficulty walking for 6 months, experiencing muscle cramps in his right thigh after walking a block on level ground.  The cramps subside quickly with rest.  He has also had decreased sexual performance.  Medical history is significant for hypercholesterolemia and myocardial infarction.  The patient smokes a pack of cigarettes daily but does not use alcohol or illicit drugs.  He is afebrile.  Blood pressure is 128/78 mm Hg, pulse is 76/min, and respirations are 16/min.  Cardiac auscultation reveals normal S1 and S2, and equal vesicular breath sounds are heard over the bilateral lungs.  The abdomen is soft and without masses.  There is no peripheral edema, muscle tenderness, or muscle weakness.  Which of the following is the most likely cause of this patient's symptoms?


Definitions:

Community Health

A field of public health focusing on the health of individuals in a defined community, aiming to improve the health and well-being of the population.

Critical Pathway

A critical pathway is a clinical management plan that outlines the optimal sequencing and timing of interventions by physicians, nurses, and other healthcare professionals for a particular diagnosis or procedure.

Systematic Review

A detailed analysis of all existing primary research on a specific topic that follows a rigorous and predefined protocol.

Interrelated Concepts

Ideas, themes, or subjects that are connected or associated with one another.

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