A 34 year-old female comes to the emergency room with fever, chills, productive cough and dizziness. She is a known intravenous drug user with multiple visits to the emergency room in previous months. Her echocardiogram shows multiple vegetations over the tricuspid valve. One medical student who examined her told you that she felt Osler nodes in the physical examination of this patient. Of the following, which is the correct description of the Osler nodes?
