Author: Marina Horiates Kerekes, MD & Team

Learn about vaccines and contraindications in a 4-month-old male infant diagnosed with severe-combined immunodeficiency (SCID). Explore which vaccines are contraindicated in this specific case to enhance your pediatric knowledge. Get ready for the USMLE® with this question of the day. A 4-month-old male infant is brought to the pediatrician by…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 25-year-old man presents to the office due to a suspicion of being poisoned. The patient is suspicious that his neighbors have been tampering with his food lately and that…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 6-month-old male infant who is brought to the pediatrician for evaluation of poor weight gain. The patient was born at 38-weeks gestational age via an uncomplicated vaginal delivery.…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 5-month-old female infant that is admitted to the pediatric intensive care unit for surgical treatment of preductal coarctation of the aorta. During subsequent evaluation, the patient is found…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 55-year-old with a history of diabetic nephropathy and chronic kidney failure, who recently underwent a successful kidney transplant and is currently taking tacrolimus, presents with a 3-day fever.…

This week, we are sharing another USMLE® Step 2-style practice question to test your knowledge of medical topics. Today’s case focuses on a 56-year-old man that has an occipital headache that progressed and is now associated with nausea, vomiting, and fever. The patient has a past medical history of diabetes, hypertension,…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 16-year-old girl with a history of menarche at age 13 presents with amenorrhea for the last 5 months. She has joined the gymnastics team at school and is…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 19-year-old who comes to the office because of worsening acne. She has had multiple bouts of acne affecting her shoulders, chest, and face. Her acneiform lesions have increased…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 35-year-old who reported “No one seems good enough for me. I’ve tried and tried with all the people in my life, but they all seem the same. I…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 73-year-old woman with shortness of breath. Past medical history is notable for hypertension, chronic obstructive pulmonary disease, and type II diabetes mellitus. Can you figure it out? A 32-year-old…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 51-year-old woman who comes to the clinic for an assessment of a tongue lesion. Her history is significant for active IV drug use and homelessness. She was recently…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 5-month-old infant who was brought to a pediatrician for evaluation of failure to thrive. Upon physical examination, the patient has a weak cry and diffuse hypotonia. Hepatomegaly is…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 22-year-old woman who was diagnosed with herpes simplex genital infection two months ago. Speculum examination reveals mucopurulent discharge and a friable erythematous cervix. Cervical motion tenderness is absent. Which of…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 38-year-old man who got laid off from work and could no longer concentrate long enough to write poems, which he loved doing in the past, decreased in…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 6-month-old boy who was taken to a hospital following an accident. Physical examination reveals several bruises over the trunk and extremities at different stages of healing, which the…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 4-year-old-boy who was brought to the pediatrician for evaluation of unusual behavior. Can you figure it out? A 4-year-old boy is brought to the pediatrician for evaluation of…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 35-year-old-woman who has difficulty breathing. Physical examination reveals a lethargic and diaphoretic adult female with bilateral pinpoint pupils and watering from the eyes. Can you figure it out? A…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 24-year-old-man showing aggression. Urine toxicology confirms the use of a drug that exerts its effects by binding to and activating N-methyl-D-aspartate (NMDA) receptors. Can you figure it out? A…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 35-year-old-man who has a temperature is 100°F (37.7 °C), pulse is 117 bpm, respiratory rate is 18 breaths per minute, and blood pressure is 177/90 mmHg. The patient…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 37-year-old woman who has had multiple episodes of dizziness lasting between 20 minutes to several hours. These episodes are associated with ringing in the left ear. Can you figure…