Thoracic Key

VITAMIN B12 DEFICIENCY ANEMIA   26A A 58-year-old woman presents to the emergency department with complaints of progressive fatigue and weakness for the past 6 months. She is short of breath after…

ASTHMA   4A A 25-year-old previously well woman presents to your office with complaints of episodic shortness of breath and chest tightness. She has had these symptoms on and off for about…

PULMONARY EMBOLISM   11A A 57-year-old man has a right total knee replacement for severe degenerative joint disease. Four days later, he develops shortness of breath and right-sided pleuritic chest pain. He…

ACUTE MYOCARDIAL INFARCTION   13A A 71-year-old man presents to the emergency department with a sudden onset of substernal chest pain 1 hour ago. He describes the pain as a heavy pressure…

ADRENOCORTICAL INSUFFICIENCY   65A A 28-year-old man presents to the emergency department with a headache, stiff neck, and fever. After a lumbar puncture, he is admitted to the intensive care unit with…

DIABETES MELLITUS, TYPE 2   68A A 53-year-old man presents to his primary care provider for a routine checkup. He complains of increased thirst and frequent urination for the past few months….

CROHN DISEASE   30A A 28-year-old woman arrives in the urgent care clinic complaining of cramping abdominal pain. She has had the pain intermittently over the past 5 months, accompanied by diarrhea….

DEMENTIA   56A A 73-year-old man is brought in by his wife, who is concerned about his worsening memory. A retired engineer, he has recently been getting lost in the neighborhood where…

KIDNEY DISEASE, CHRONIC   51A A 58-year-old obese woman with hypertension, type 2 diabetes mellitus, and chronic kidney disease (CKD) is admitted to the hospital after a right femoral neck fracture sustained…

LUNG CANCER   8A A 73-year-old man presents to his primary care provider with a new cough productive of blood. He reports gradual weight loss of approximately 15 lb over the past…