An 83-year-old man is transferred to the hospital from his nursing home due to hypotension and confusion. He was previously well until yesterday morning, when the nursing staff observed that he seemed lethargic and spent the day in bed. Later that night, the staff tried to communicate with him but he was not oriented to place or time. His medical history is significant for hypertension, COPD, paroxysmal atrial fibrillation, and urinary incontinence requiring a urethral catheter. He is compliant with medications, has no recent medication changes, and has no sick contacts. On examination, his temperature is 35.4°C, his blood pressure is 68/44 mmHg, his heart rate is 88 beats per minute, and his respiratory rate is 18 breaths per minute. He is lethargic with flat neck veins; his cardiac examination is normal. His lungs are clear to auscultation, and there is no significant abdominal tenderness. His neurologic examination is normal, and his extremities are warm and well perfused. His laboratory values are significant for a leukocyte count of 13,500/mm3 and a serum lactate of 3.9 mmol/L (normal range 0.6 to 2.3 mmol/L). A urinalysis shows significant pyuria. A chest x-ray shows hyperinflated lungs but no focal opacities. Which of the following is the most appropriate next step in management?

A 54-year-old man is brought to the emergency department after his family found him on the floor and unresponsive at home.  The patient has a history of hypertension but is not adherent with medical treatment.  He smokes cigarettes and uses cocaine.  Temperature is 36.6 C (97.9 F), blood pressure is 176/98 mm Hg, pulse is 58/min, and respirations are 12/min and irregular.  The patient is unresponsive to deep sternal rub.  The right pupil is widely dilated and unresponsive to light.  There is intermittent extended posturing of the left arm and leg.  Deep tendon reflexes are 4+ in the left extremities, and Babinski sign is present on the left side.  Which of the following is the most likely cause of this patient's current condition? A.Basal ganglia hemorrhage B.Cerebellar hemorrhage C.Medullary ischemic infarction D.Midbrain ischemic infarction E.Occipital cortex ischemic infarctionProceed To Next Item

A 62-year-old man comes to the emergency department due to painless vision loss in his left eye.  The patient states that he was watching television when suddenly everything became dark and he could not see out of his left eye.  This resolved spontaneously after approximately 5 minutes and was not associated with headache, slurred speech, numbness, or weakness.  He experienced a similar episode several months ago, at which time he did not seek medical attention.  His medical history is significant for hypertension, type II diabetes mellitus, and hyperlipidemia; he admits that he is not compliant with his medication regimen.  Two years ago, the patient was hospitalized for hyperosmolar hyperglycemic state, and his HbA1c level 4 months ago was 9.5%.  He has a 30-pack-year smoking history.  Temperature is 36.7 C (98 F), blood pressure is 160/90 mm Hg, and pulse is 80/min and regular.  Which of the following is the most likely cause of this patient's symptoms?

complaining of excessive urination and constant hunger and thirst. She has no other complaints and no past medical history. Her family history is significant for hypertension, type 2 diabetes mellitus, and hyperlipidemia. She does not smoke but lives a sedentary lifestyle. On examination, she is afebrile with a blood pressure of 134/88 mmHg, heart rate of 84 beats per minute, and respiratory rate of 14 breaths per minute. The rest of her examination is normal. The patient is scheduled for a return visit to have fasting laboratory tests drawn. At her return visit, her blood pressure is 138/86 mmHg. Her fasting glucose is 156 mg/dL, and urine albumin-to-creatinine ratio is 200 mg/g. What is the next step in management for this patient?

A 78-year-old male with a history of aortic stenosis with a mechanical aortic valve, hypertension, and type 2 diabetes presents to office for evaluation. He is doing well, except for some palpitations over the past few months. He does not have associated shortness of breath, syncope, or a history of falls. On physical examination, you note an irregularly irregular heart rhythm and a mechanical S2. Examination is otherwise normal. You obtain an ECG, which confirms the irregularly irregular arrhythmia. The patient has no history of bleeding and Hgb is normal. What is the recommended medication for prevention of thromboembolic events?Ask StudybuddyGroup of answer choicesWarfarinAspirinClopidogrelDabigatranApixaban

A 48-year-old man presents to the hospital with swelling of the abdomen and legs. He first noticed shortness of breath with exertion several months ago, and has had a few episodes where he momentarily became lightheaded and lost consciousness. Now the symptoms have been progressing with increased dyspnea and edema. He reports that he has always lived a healthy lifestyle and has no past medical history. There is no family history of any cardiac or pulmonary disease, or any cancer. He was born in Brazil and moved to the United States at the age of 43. He does not smoke or drink alcohol. On cardiac examination, the apex is displaced laterally with an S3 on auscultation. Estimated central venous pressure is 15 mmHg, and there are faint crackles at the base of his lungs. He has hepatomegaly with shifting dullness and bilateral pitting edema of the lower extremities. An ECG is normal, with no visible Q waves. Which infectious etiology is most likely responsible for this patient's disease?