Category: USMLE Step 1

A 70-year-old woman comes to the emergency department due to a three week history of worsening fatigue, dyspnea on exertion, and lower extremity swelling. Her past medical history is significant for hypertension and hyperlipidemia, but notes no recent travel, sick contacts, or illnesses. She recalls one episode of nausea and diaphoresis while she…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves an 80-year-old man. He was hospitalized two weeks ago for pneumonia and now reports difficulty swallowing and regurgitation of undigested food particles.  Can you figure out the diagnosis and which…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 25-year-old woman with breathing difficulties and chest pain. Labs show an elevated d-dimer. Purified protein C is added to the patient’s plasma and causes no change in the lab…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 38-year-old woman with pain in the center of her chest. The pain is slightly better when she sits up straight. Physical examination shows conjunctival pallor and bilateral pitting ankle…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 62-year-old man who comes into the clinic to tell you about a pain in his right leg that comes and goes with activity. When you inspect his leg, you…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 60-year-old man with pain in his scrotum. The scrotum appears to be swollen and the man’s vision has become blurrier. Can you figure it out? A 60-year-old male comes…

For today’s USMLE® Step 1-style question, we examine the case of a woman who is brought into the ER by her partner after experiencing a sudden episode of jerky movements and loss of consciousness.  A 23-year-old woman is brought to the emergency department by her partner due to an episode…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics and help you prepare for the boards. Today’s case involves an 8-year-old girl who’s experiencing abdominal pain, fever, nausea, and vomiting. Can you figure out the cause? An 8-year-old girl is brought to…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics and help you prepare for the boards. Today’s case involves a 64-year-old woman who’s experiencing headaches, vision disturbances, and reduced urine output. Can you figure out what the diagnosis could be? A 64-year-old…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a young boy whose worsening issues with thirst and frequent urination are worrying his parents. Can you make the correct diagnosis and help this family out? An 8-year-old boy is…