Author: Marina Horiates Kerekes, MD & Team

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 44-year-old man with abdominal pain and nausea. Abdominal examination shows tenderness and rigidity over the epigastric and periumbilical regions. Can you figure it out? A 44-year-old man comes to the…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 55-year-old man with alternating episodes of loose stools and constipation over the past several months, with associated cramping abdominal pain. Can you figure it out? A 55-year-old man presents…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 28-year-old woman with two episodes of pancreatitis over the past year. Can you figure out the cause? A 28-year-old woman is being evaluated by her primary care physician for recurrent pancreatitis.…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 56-year-old woman with asthma and notable skin tightening over the face, hands, and forearms. Can you figure it out? A 56-year-old woman comes to her primary care physician for evaluation…

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 symptoms of fatigue and reduced exercise tolerance. Can you figure out the cause? A 25-year-old woman presents to her outpatient provider for symptoms of fatigue and reduced…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 30-year-old woman with HIV who has recently developed skin nodules. The woman also works in a pet store. Can you figure it out? A 30-year-old woman with HIV comes to the…

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 a seizure. The man dies two days later. Can you figure out the cause? A 60-year-old man is admitted to the emergency department due to a seizure.…

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 a severe headache. Can you figure it out? A 25-year-old woman comes to the emergency department because of a severe headache that began four hours ago.…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 65-year-old man after a syncopal event at home. Can you figure out the diagnosis? A 65-year-old man presents to the emergency department after a syncopal event at home. He…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 40-year-old man with hyperpigmentation of the skin. Can you figure it out? A 40-year-old man comes to his outpatient provider with a concern about skin changes that began 4…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 68-year-old man. Polymerase chain reaction testing reveals a mutation in a gene encoding for a non-receptor tyrosine kinase. Can you figure it out? A 68-year-old male comes to his…

We’re back with a USMLE® Step 2 CK Question of the Day! Today’s case involves a 22-year-old man with abdominal pain. Which of the following is the most likely cause of this patient’s condition? A 22-year-old man comes to the clinic complaining of a 6-week history of intermittent abdominal pain. The patient…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 55 year-old female patient with urinary incontinence. Her past medical history is notable for type 2 diabetes mellitus and hypertension. Can you figure it out? A 55 year-old female…

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…