A 69-year-old man is brought in by his wife with acute onset aphasia for the past 5 hours. The patient's wife says that they were sitting having dinner when suddenly he was not able to speak. They delayed coming to the hospital because he had a similar episode 2 months ago which resolved within an hour. His past medical history is significant for hypercholesterolemia, managed with rosuvastatin, and a myocardial infarction (MI) 2 months ago, status post percutaneous transluminal coronary angioplasty complicated by residual angina. His family history is significant for his father who died of MI at age 60. The patient reports a 15-pack-year smoking history but denies any alcohol or recreational drug use. The vital signs include: temperature 37.0℃ (98.6℉), blood pressure 125/85 mm Hg, pulse 96/min, and respiratory rate 19/min. On physical examination, the patient has expressive aphasia. There is a weakness of the right-sided lower facial muscles. The strength in his upper and lower extremities is 4/5 on the right and 5/5 on the left. There is also a decreased sensation on his right side. A noncontrast computed tomography (CT) scan of the head is unremarkable. CT angiography (CTA) and diffusion-weighted magnetic resonance imaging (MRI) of the brain are acquired, and the findings are shown in the exhibit (see image). Which of the following is the best course of treatment in this patient?
AAspirin
BMannitol
CMechanical thrombectomy
DIV tPA
ELow molecular weight heparin
A 58-year-old man presents to the clinic concerned about his health after his elder brother recently became bed-bound due to a brain condition. He has also brought a head CT scan of his brother to reference, as shown in the picture. The patient has type 2 diabetes mellitus, hypertension, osteoarthritis, and hypercholesterolemia. His medication list includes aspirin, diclofenac sodium, metformin, and ramipril. He leads a sedentary lifestyle and smokes one pack of cigarettes daily. He also drinks 4–5 cups of red wine every weekend. His BMI is 33.2 kg/m2. His blood pressure is 164/96 mm Hg, the heart rate is 84/min, and the respiratory rate is 16/min. Which of the following interventions will be most beneficial for reducing the risk of developing the disease that his brother has?
AStatin therapy
BQuit smoking
CStop aspirin
DBlood sugar control
EBlood pressure control
A 79-year-old man is brought to the emergency department after he noted the abrupt onset of weakness accompanied by decreased sensation on his left side. His symptoms developed rapidly, peaked within 1 minute, and began to spontaneously resolve 10 minutes later. Upon arrival in the emergency room 40 minutes after the initial onset of symptoms, they had largely resolved. The patient has essential hypertension, type 2 diabetes mellitus, chronic obstructive pulmonary disease, and a 50 pack-year smoking history. He also had an ST-elevation myocardial infarction 3 years ago. His brain CT scan without contrast is reported as normal. Carotid duplex ultrasonography reveals 90% stenosis of the right internal carotid. His transthoracic echocardiogram does not reveal any intracardiac abnormalities. Which of the following interventions is most appropriate for this patient's condition?
ACarotid stenting
BWarfarin
CLow molecular weight heparin
DHypercoagulability studies
EAspirin and clopidogrel
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