A 72-year-old female presents with a 2-week history of abdominal/back pain and lower extremity fatigue. She was evaluated by her physician and diagnosed with lumbosacral neuritis. Initial treatment involved lumbar corticosteroid injections. Secondary to sudden onset lower extremity weakness she presented to the emergency department. Her past history included diabetes, hyperlipidemia, and obesity. In the past month, she had undergone heart catheterization which was significant for multi-vessel coronary artery disease. She denied any prior surgeries.
On examination, her pulse is 75 bpm, and blood pressure is 175/60. Heart sounds reveal a regular rhythm. The abdomen is soft and nontender. She has absent pulses and diminished strength in both lower extremities. Both feet are insensate. There are venous Doppler signals in the feet, but no arterial signals. Creatinine on arrival was 0.9 mg/dL, and white blood cell count was 23,000. Pre-operative CTA demonstrates infrarenal aortic...
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