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The patient is a 9-year-old girl brought into the urgent care clinic by both of her parents. Over the past 18 months, they have noticed emerging "habits" including repetitive squinting and grimacing, along with associated clearing of her throat and grunting noises. These behaviors occur almost every day and frequently occur together. She has gotten increasingly teased because of her peculiarities and her anxiety has only worsened her symptoms. She has no major illnesses and is not taking any medications. Her physical examination is within normal limits with the exception of the above stereotypes. A history of infection with which of the following organisms would be most likely in this patient?
A 6-year-old girl is brought in to the primary care clinic for evaluation by her foster parents, who are concerned that "something is wrong with her." They have noticed odd behavior, with repetitive words and phrases, and difficulty following directions. Her vital signs are normal. Her physical examination is remarkable for a head circumference greater than the 90th percentile but a height less than the 30th percentile, large-appearing ears, and significant flexibility in the joints. Which of the following chromosomes is most likely abnormal in this patient?
An 8-year-old boy is brought in for evaluation by his parents, who are worried about his behavior in school. Recently, he has become increasingly upset about attending school. Whereas he had always enjoyed being read to as a small child, he has appeared easily frustrated when reading or being asked to write. During those times, he will often disrupt the class, and this has led to his parents being asked to remove him from the school. Which of the following additional diagnoses most likely would be present in this patient?
A 6-year-old boy presents to the emergency department with a painful, markedly swollen elbow. While ice-skating, he fell with his arm outstretched. Radiographs of the elbow demonstrate a displaced, supracondylar fracture of the humerus. On examination, there is pain on passive flexion at the wrist and a decreased radial pulse, with diminished capillary refill in the hand. Which of the following is the most appropriate management of this injury?
A 14-year-old boy is brought to the emergency department for evaluation of fever and headache. The mother relates that her son has had a worsening headache for 56 days. She says that she took him to a walk-in clinic, and he was put on amoxicillin for a sinus infection. His headaches have been getting worse and that he is now having fevers as high as 103.6°F. The mother says that he normally is very active and that he currently has a summer job at a local park clearing out underbrush. Since he has become ill, he has had such a decrease in energy that he cannot go to work. He has had a decrease in his appetite and has been sleeping more. He denies any sore throat, abdominal pain, chest pain, dysuria, vomiting, or diarrhea. On examination, he is an uncomfortable young man whose vital signs are: temp 101.9°F, RR 26, HR 124, and BP 79/56. is head, ear, eye, nose, and throat examination reveals normal TMs, a mildly erythematous hypopharynx, and some shotty cervical lymphadenopathy. His lungs are clear. His cardiac examination is normal. His liver edge is palpable just below the right costal margin and is mildly tender. His spleen is not palpable. His skin examination is normal with the exception of scattered petechiae around his ankles and wrists. A CBC reveals WBC 13,000 with 65% segs and 22% lymphs, hematocrit of 35, and platelet count of 95,000. His electrolytes reveal a Na 125, K 5.1, Cl 102, and bicarbonate 21. His BUN and Cr are normal. What is his most likely diagnosis?
For each newborn with vomiting and illustrated radiographs, select the most likely diagnosis. A 10- day-old infant presenting with bilious vomiting, paucity of gas on plain radiographs, and duodenal obstruction on UGI contrast study congenital hypertrophic pyloric stenosis annular pancreas duodenal atresia midgut volvulus intussusception
A 3-month-old infant is brought to your office in the winter with a history of 1 day of vomiting, followed by 3 days of diarrhea. She has had six to eight stools per day, which are loose and foul smelling. On examination, she looks well. Which of the following viruses is the most likely cause of her illness?
The patient is a 7-year-old boy brought in for evaluation by his father. He has been concerned with his son's behavior. At school conferences, he has been told that his son will not stay in place and moves around the room despite being informed about the rules. He neither listens at home nor at school when given feedback. For example, he continues to have difficulty waiting in line, completing his homework, and cleaning up his toys, regardless of numerous consequences. In department stores, he will run around and grab at items, and this has resulted in his breaking merchandise on many occasions. The father states that his son has been this way "since he could walk" and is worried about his son's future. Which of the following is his most likely diagnosis?
A 13-year-old boy is brought into the emergency room with a laceration of his right arm. According to his parents, he received the injury when he fell on the ground while playing at the family farm about 1 hour ago. He has no known history of any medical problems. His parents say that they haven't brought him to the doctor in years. On questioning, they report that he only received one of his "baby shots" and they are not sure which one that was. On examination, he is healthy appearing. He is appropriately apprehensive but calm and consolable. His right arm has a 5 cm linear laceration with visible soil particles in and about the wound. The remainder of his examination is unremarkable. You carefully clean and irrigate the wound and then primarily repair the laceration with sutures. What immediate tetanus prophylaxis would be optimal in this case?
A 14-year-old girl is admitted to the medical unit due to dehydration. She is found to be severely underweight, at 75% of expected weight. She has no significant medical problems, but she stopped menstruating 9 months ago after having regular periods since age 12. She has no prior psychiatric history and is a very successful student and athlete at school. She denies feeling depressed but does admit to feeling tired. When confronted about her weight loss, she does not appear concerned, stating, "I was very fat and still have more weight to lose." Which of the following treatment modalities is the most effective for her gaining weight?
An 18-month-old boy is brought to the clinic for a checkup. As part of his routine care, a serum lead level is obtained. It is 25 g/mL. Which of the following is the most appropriate next step in his management?
An 11-month-old girl presents to your office with a fever of 39°C she has had for 2 days. She has also vomited frequently and had decreased fluid intake. She looked tired and ill but on examination, had no apparent source of infection. She appeared to be 510% dehydrated. Her urinalysis shows a urine specific gravity of 1.030, trace blood, and protein. Nitrite and leukocyte esterase are both positive. Microscopic examination of unspun urine shows >100 white blood cells (WBCs) and 05 red blood cells (RBCs) per high-power field, as well as many bacteria. Aurine culture is sent. Which of the following is the most appropriate management plan?
A 13-year-old boy is brought into the emergency room with a laceration of his right arm. According to his parents, he received the injury when he fell on the ground while playing at the family farm about 1 hour ago. He has no known history of any medical problems. His parents say that they haven't brought him to the doctor in years. On questioning, they report that he only received one of his "baby shots" and they are not sure which one that was. On examination, he is healthy appearing. He is appropriately apprehensive but calm and consolable. His right arm has a 5 cm linear laceration with visible soil particles in and about the wound. The remainder of his examination is unremarkable. You carefully clean and irrigate the wound and then primarily repair the laceration with sutures. After the treatment given above, what would be the recommended "catch-up" immunization schedule to protect against tetanus?
One of your responsibilities at the community health center is to serve as director of the tuberculosis (TB) screening and prevention program. You see a 2-week-old child for a routine wellbaby check-up. The mother is feeding him formula that she prepares by mixing powdered formula with her home tap water that comes from a well. The local health department considers the water to be nonfluoridated. Which of the following suggestions would be appropriate?
In a 6-month-old previously healthy male infant, an abnormality is revealed during a routine diaper change, as illustrated in Figure. The parents have noted this finding on and off on several occasions over the last month. On each occasion, the child has been feeding well, and is content and playful. Which of the following is the most appropriate management at this time?
The patient is a 7-year-old boy brought in for evaluation by his father. He has been concerned with his son's behavior. At school conferences, he has been told that his son will not stay in place and moves around the room despite being informed about the rules. He neither listens at home nor at school when given feedback. For example, he continues to have difficulty waiting in line, completing his homework, and cleaning up his toys, regardless of numerous consequences. In department stores, he will run around and grab at items, and this has resulted in his breaking merchandise on many occasions. The father states that his son has been this way "since he could walk" and is worried about his son's future. After further history is obtained and consultation with the school is initiated, a definitive diagnosis is made. The recommendation to begin a stimulant is presented to the father, but he has concerns regarding that treatment choice. How should he be counseled regarding the use of this medication?
A 7-week-old, breast-fed, term infant presents with increasing jaundice, abdominal distention, and abnormal stools. Liver function tests demonstrate a conjugated hyperbilirubinemia, mildly elevated transaminases, and an elevated gamma-glutamyl transpeptidase. TORCH (congenital infection complex, including toxoplasmosis, rubella, cytomegalovirus, and hepatitis) serology and screening for inborn errors of metabolism are negative. As part of the diagnostic evaluation, the most sensitive imaging study in this clinical setting would be which of the following?
A 10-year-old boy is brought in with a chief complaint of multiple colds. On further questioning, you elicit a history of chronic, clear nasal discharge with no seasonal variation. Other symptoms include sneezing, itching of the nose and eyes, as well as tearing and occasional eye redness. Some relief is obtained with an over-the-counter cold medicine containing antihistamine and a decongestant. His history suggests which of the following?
A 31/2-year-old female presented with a left upper quadrant abdominal mass. The child had no previous history of medical illnesses. An ultrasound examination revealed a markedly deformed left kidney with 12 cm nonhomogenous soft tissue mass arising from the upper pole. Medial displacement of the bowel loops was also noted. What is the survival rate of this tumor with chemotherapy, radiation therapy, and surgery?
A2-week-old infant is brought to the office for a check-up. The father relates that they have no concerns except that the baby seems to have tearing from his left eye. They also point out some swelling at the edge of his left eye. The infant is eating, sleeping, stooling, and voiding well. On examination, you find a 1/2 × 1/2 cm firm nodule inferior to the medial canthus of the left eye. What does this most likely represent?