A 68-year-old male with a history of lung cancer undergoes follow-up labs after recent cycle of chemotherapy. He has mild difficulty with concentration over the past week but is otherwise able to complete all of his daily tasks. He reports no nausea, vomiting, or positional lightheadedness. He has no other significant past medical history. He takes no medications. Vital signs are as follows: Temperature 99.8°F, RR 18, BP 135/88 mm Hg, pulse 76. On examination, he is alert and oriented. Cardiac examination reveals regular rate and rhythm, no murmurs, JVP not elevated. Lung and abdominal examinations are normal. There is no lower extremity edema. Skin turgor is normal. Neurologic examination reveals 5/5 strength in all extremities, no focal deficits, and normal gait. Laboratory tests reveal the following: serum Na+ 121 mEq/L, K+ 4.3 mEq/L, BUN 7.0 mg/dL, Cr 0.4 mg/dL, glucose 106 mg/dL. TSH 2.0 mU/L. Serum osmolality 250 mOsm/kg, urine Na 45 mEq/L, urine osmolality 450 mOsm/kg. What is the most appropriate management of this patient?

A 32-year-old man comes to the physician complaining of fever, shortness of breath, and a productive cough that has developed slowly over the past week. He has no other medical history and does not take any medications. His temperature is 38.5°C, blood pressure is 122/78 mmHg, heart rate is 68 beats per minute, respiratory rate is 18 breaths per minute, and oxygen saturation is 98% on room air. There are decreased breath sounds and dullness to percussion over the right lung base. The rest of the physical examination, including cardiac auscultation, is normal. A chest x-ray confirms consolidation of the right lower lobe. What is the most appropriate course of action for this patient?

A 26-year-old man presents to his primary care physician with fatigue, headache, and a sore throat for the past week. There is also nausea and diarrhea, but no weight loss, productive cough, or difficulty breathing. He has no known past medical history, does not take any medications, and has no recent sick contacts. He is sexually active and uses condoms inconsistently; he drinks alcohol heavily on the weekends and has had previous IV drug use. On examination, his temperature is 39°C and the rest of his vital signs are normal. He has nontender cervical and axillary lymphadenopathy, tonsillar exudates, and mild splenomegaly. There are also several painful, well-demarcated ulcers within his mouth and a mild maculopapular rash over his chest and arms. A rapid Strep test and a monospot (heterophile antibody) test are negative; further screening for chlamydia, gonorrhea, syphilis, and HIV antibody is negative. What is the likely diagnosis?Ask StudybuddyGroup of answer choicesUpper respiratory infectionSecondary syphilisHodgkin lymphomaAcute retroviral syndromeInfectious mononucleosis

A 43-year-old male presents to your office with a 3-day history of chest pain, which is centrally located and radiates to the right side of his neck. The pain worsens with deep breathing and improves when he sits up. He has no nausea, vomiting, sweating, or SOB. He had an upper respiratory infection about 2 weeks ago, which resolved without treatment. PMH is significant for hyperlipidemia. He takes rosuvastatin. He smokes half a pack of cigarettes a day. Vital signs are: temperature 99.4°F, BP 125/80 mm Hg, pulse 84. Physical examination is significant for a friction rub over the left sternal border heard best when he leans forward. A 12-lead ECG shows diffuse ST elevation in leads I, II, III, aVL, and V2 through V6. Echocardiogram shows an EF 50% with no regional wall motion abnormalities and normal valvular function. There is a small pericardial effusion. What is the most appropriate next step?

Mark all of the symptoms you might expect in a patient with bronchogenic carcinoma?

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?