A 30-year-old woman is evaluated for management of new-onset atrial fibrillation. She has a history of tetralogy of Fallot that was repaired at age 18 months. She has had no cardiovascular concerns since that time and has not had regular follow-up
A 48-year-old woman is evaluated for a 2-month history of increased dyspnea, wheezing, and nonproductive cough. She also reports intermittent pain and swelling in the wrists and knees for the past 6 months. She was diagnosed with scleritis of the
A urine pregnancy test is negative. Samples are obtained for nucleic acid amplification testing for Neisseria gonorrhoeae and Chlamydia trachomatis.
A 78-year-old man is evaluated for palpitations, worsening fatigue, and exercise intolerance. Two months ago, he was diagnosed with atrial flutter and subsequently underwent cardioversion to normal sinus rhythm. Following a physical exam, lab studies
A 56-year-old man is evaluated in the emergency department for progressive chest pain and dyspnea that began 3 hours ago. Medical history is significant for hypertension treated with lisinopril. Following a physical exam, electrocardiogram, and
A 27-year-old man is evaluated for the acute onset of fever, chills, body aches, and dry cough that began last evening after returning home from trimming timber at a saw mill. He has similar symptoms that have been occurring two to three times a
A 44-year-old man is evaluated for a new lesion on the side of his face. It has been present for several months and is asymptomatic. When he shaves he cuts it, and it starts bleeding. Following a physical exam, what is the most likely diagnosis?
An edrophonium test is helpful in diagnosing myasthenia gravis if clear-cut improvement in muscle strength or function can be demonstrated after edrophonium injection. ... assess. Determining readiness for resuscitation is advised before performing this
A CT scan of the chest is shown. Which of the following is the most appropriate test to perform next? ... An acetylcholine receptor (AChR) antibody test should be ordered. The mediastinum can be divided into three separate compartments (anterior, middle,
A 67-year-old man is evaluated in the emergency department with a 3-day history of weakness and nausea and a 2-week history of difficulty swallowing. He has lost 22.7 kg (50 lb) during the past year. He has no other symptoms. History is significant