Upper Respiratory Symptoms von Charles Vega, MD

A 52-year-old man presents with 2 weeks of dry, persistent cough. He was started on a new medication for hypertension 2 months ago. Cardiopulmonary examination shows no abnormalities. Which of the following is the most appropriate next step in management?

A 32-year-old woman presents with fever, dry cough, generalized muscle pain, and headache for 3 days. Recently, a few of her colleagues have been sick with similar symptoms. Physical examination shows nasal congestion and post-nasal drip. Her cardiopulmonary examination is otherwise normal. Which of the following findings is most suggestive of a viral etiology?

A 68-year-old man from China is brought to the clinic by his daughter for several weeks of persistent cough and occasional hemoptysis. He has lost significant weight despite following the same diet. He denies shortness of breath, chest pain, or headaches. He has no history of a serious illness and takes no medications. He has smoked a pack of cigarettes every day for 30 years. Which part(s) of the following medical history is/are most concerning for a serious illness?