Mr. Smith, a 78 year old man, is complaining of increased swelling in his lower legs for the past 3 weeks. He states it worsens when his legs are hanging down and improves some when he elevates them. The swelling started abotu a week after he left the hospital for an episode of pneumonia. He states his legs occasionally swell, especially when he eats too much salt, and the last time it happened was about 8 months ago. He reports taking a water pill for a while but not lately. He noted that he feels like he has put on a few pounds this week and feels a bit more tired and short of breath He has had to sleep propped up with two pillows. He denies leg pain, fever, warmth or trauma.