A 45-year-old woman has a six month history of progressive shortness of breath on exertion

An otherwise healthy 26-year-old woman has had petechiae on her legs during the last 24 hours

A 30-year-old woman whose mother and grandmother have died of carcinoma of the breast refuses to have monography

Warfarin is administered to a 56-year-old man pulling placement of a prosthetic cardiac valve

A 10 month old girl is brought to the physician because of a two day history of diarrhea

A 32 year-old man with non-Hodgkin’s lymphoma comes to the physician six days after finishing the initial chemotherapy regimen

A 20-year-old woman comes to the physician because of a five year history of increasingly severe unilateral throbbing headaches

A 40 year old man with a 20 year history of alcohol abuse is brought to the hospital by his friends because he was difficult to arouse

A 26-year-old man with HIV infection comes to the doctor for a follow up examination

A 58-year-old woman comes to the physician because of intermittent vaginal bleeding during the past three months