A 42-year-old man with sickle cell anemia and epigastric pain.
A 60-year-old man with new-onset hematuria and hypertension.
A 30-year-old man with acute-onset midsternal chest pain.
Woman with deep vein thrombosis for whom anticoagulation was contraindicated.
A 33-year-old pregnant woman with new hypoxia.
An 89-year-old woman with new-onset atrial fibrillation.
A 49-year-old woman with intermittent chest discomfort.
A 54-year-old woman with chronic shortness of breath, now worsening with new hemoptysis.
A 23-year-old man with penetrating neck trauma undergoing vascular evaluation.
A 61-year-old woman with history withheld.
A 64-year-old woman with gradual arm swelling.
A 64-year-old woman with left-leg swelling, pelvic pain, and history of recurrent deep vein thrombosis.
A 44-year-old woman with a severe headache that began during exercise.
A 40-year-old woman with headaches and focal neurologic deficits including numbness and tingling in her hands and feet.
