A 24-year-old man presents with a complaint of breathlessness while jogging. He says that he recently started marathon training. He does not have any family history of asthma nor has any allergies. He currently takes no medication. The blood pressure is 120/80 mm Hg, and the heart rate is 67/min. With each heartbeat, he experiences pounding in his chest, and his head bobs. On physical examination, he has long fingers, funnel chest, and disproportionate body proportions with a decreased upper-to-lower segment ratio. On auscultation over the 2nd right intercostal space, an early diastolic murmur is heard, and 3rd and 4th heart sounds are heard. Echocardiography shows aortic root dilatation. The patient is scheduled for surgery. Which of the following is associated with this patient's condition?
AKlinefelter syndrome
BIntravenous drug abuse
CMarfan's Syndrome
DKawasaki syndrome
EGonorrhea
A previously healthy 4-year-old boy is brought to the physician by his parents because he has had a fever, diffuse joint pain, and a rash on his abdomen for the past week. Acetaminophen did not improve his symptoms. He emigrated from China with his family 2 years ago. He attends daycare. His immunization records are not available. His temperature is 38.5°C (101.3°F), pulse is 125/min, and blood pressure is 100/60 mm Hg. Examination shows polymorphous truncal rash. The eyes are pink with no exudate. The tongue is shiny and red, and the lips are cracked. The hands and feet are red and swollen. There is right-sided anterior cervical lymphadenopathy. Which of the following is the most appropriate next step in management?
AHHV-6 immunoglobulin M (IgM) detection
BANA measurement
CEchocardiography
DMonospot test
EAntistreptolysin O titer measurement
A 53-year-old woman comes to the physician in February because of a 1-day history of fever, chills, headache, and dry cough. She also reports malaise and generalized muscle aches. She works as a teacher at a local high school, where there was recently an outbreak of influenza. She has a history of intermittent asthma, for which she takes albuterol as needed. She declined the influenza vaccine offered in the fall because her sister told her that a friend developed a flulike illness after receiving the vaccine. She is worried about possibly becoming ill and cannot afford to miss work. Her temperature is 37.9°C (100.3°F), heart rate is 58/min, and her respirations are 12/min. Physical examination is unremarkable. Her hemoglobin concentration is 14.5 g/dL, leukocyte count is 9,400/mm3, and platelet count is 280,000/mm3. In addition to analgesia, which of the following is the most appropriate next step in management?
AInactivated influenza vaccine
BAmantadine
CLive attenuated influenza vaccine
DOseltamivir
ESupportive therapy only
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