Medications are glyburide 5 mg bid and metformin 850 mg bid. She also takes Premarin 0.625 mg qd for menopausal symptoms. She has no known drug allergies. She smokes pack of cigarettes per day. On examination, she is a moderately obese female in no distress.
Lungs are clear to auscultation and the heart has a regular rate and rhythm.
The abdomen is soft and nontender with no masses palpable. There is obvious swelling of the left lower extremity extending to the thigh with tenderness on compression of the calf muscles. The pedal pulses are intact. The best diagnostic study would be colorflow duplex scanning. This is a noninvasive, simple, portable exam that may be done at the patient's bedside if necessary.