A 67-year-old man comes to the office due to pain in the lower part of his calves on his afternoon walk to get the mail. The pain is relieved by rest. It started slowly about 6 months ago and has become more painful over time. He has a history of hypertension, hyperlipidemia, diabetes mellitus, and a 20-pack-year smoking history. Medications include hydrochlorothiazide, atorvastatin, metformin, and a multivitamin that he takes daily. The patient quit smoking 2 years ago and only drinks socially. Today, his blood pressure is 145/90 mm Hg, pulse is 75/min, respiratory rate is 17/min, and temperature is 37.6°C (99.6°F). On physical exam, he appears mildly obese and healthy. His heart has a regular rate and rhythm, and his lungs are clear to auscultation bilaterally. Examination of the legs shows atrophic changes and diminished pedal pulses. A measure of his ankle brachial index (ABI) is 0.89. Which of the following is the most appropriate initial treatment?
AA recommendation to walk more
BMetoprolol
CA recommendation to perform pedal pumping exercises
DA referral to a supervised exercise program
EEnoxaparin
A 75-year-old Caucasian man presents to the emergency department with abdominal pain. The patient states he was at home eating dinner when he began to experience severe abdominal pain. The patient has a past medical history of diabetes, hypertension, and atherosclerosis. He lives at home alone, smokes cigarettes, and drinks 1 to 2 alcoholic drinks per day. The patient is given IV morphine and an ultrasound is obtained demonstrating a dilated abdominal aorta. The patient states that his father died of a similar finding and is concerned about his prognosis. Which of the following is the greatest risk factor for this patient's presentation?
AMale gender and age
BCaucasian race
CCigarette smoking
DFamily history
EAtherosclerosis
A 53-year-old Asian woman comes to the physician because of a 2-month history of severe pain in her right leg while walking. She used to be able to walk a half-mile (800-m) to the grocery store but has been unable to walk 200 meters without stopping because of the pain over the past month. She can continue to walk after a break of around 5 minutes. She has hypertension, atrial fibrillation, and type 2 diabetes mellitus. She has smoked one pack of cigarettes daily for the past 32 years. Current medications include metformin, enalapril, aspirin, and warfarin. Vital signs are within normal limits. Examination shows an irregularly irregular pulse. The right lower extremity is cooler than the left lower extremity. The skin over the right leg appears shiny and dry. Femoral pulses are palpated bilaterally; pedal pulses are diminished on the right side. Which of the following is the most appropriate next step in management?
AMRI spine screening
BDuplex ultrasonography
CAnkle-brachial index
DNerve conduction studies
EBiopsy of tibial artery
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