A six-year-old boy is brought to the physician by his parents because of a three day history of fever, headache, and cough productive of a green, foul smelling discharge that also exits from his nose
A previously healthy 32-year-old woman who works as a nurse comes to the emergency department because of a three-week history of episodes of dizziness, nausea, and profuse sweating that resolve with eating
Hey 74-year-old man comes to the physician for a follow-up examination. He has a three month history of severe pain and swelling of the metacarpophalangeal joints, wrists elbows and knees