A 26-year-old man presents to your office with fever, chills, and malaise. Aside from an episode of dysuria 8 weeks ago, which spontaneously resolved, he has been healthy. On examination, his left wrist and right ankle are tender. There is a cluster of vesiculopustular lesions on his right hand. Which one of the following is the most likely diagnosis?
A 21-year-old man presents to the Emergency Department with a 6-month history of unusual behavior. He believes that he has been specially chosen to found a new religion. He says he has seen visions of angels in his bedroom. He appears disheveled and malodorous. On further inspection, you note that he drinks 2 liters daily. Which one of the following is the most appropriate initial management?
A 62-year-old man, who has not seen a physician in 20 years, presents to your clinic with a burning sensation in his feet. The symptoms have been progressing slowly over the last 6 months. There is no associated motor weakness or skin changes. He reports no significant past medical history and takes no medications. His alcohol intake is minimal. On examination, he has reduced pinprick/vibration sensation and proprioception in the ankles with absent ankle reflexes. Which one of the following blood tests would you expect to be abnormal?
A 14-year-old girl is brought to the Emergency Department with a 20-minute history of difficulty breathing that started during a school assembly. She has had similar symptoms 3 times in the last 2 weeks. These episodes develop rapidly and resolve gradually over several minutes. She reports tingling in her fingers and toes. On examination, her vital signs are as follows:
Blood pressure
120/80 mm Hg
Heart rate
100/min
Respiratory rate
22/min
Oxygen saturation on room air
95%
Temperature
36.9 °C, orally
Apart from mildly dilated pupils, her examination is otherwise normal. Which one of the following is the most likely diagnosis?
You are caring for a 78-year-old man admitted to hospital for heart failure. On your rounds, he asks why he is not getting better. He has a history of heart failure, hypertension, and type 2 diabetes. He has an implantable cardioverter-defibrillator. This is his fourth admission in the past 6 months for acute decompensation of his heart failure. Between hospital admissions, he reports worsening shortness of breath and a progressive decline in function. Which one of the following is the next best step?
You are on duty in the Emergency Department when 5 patients are brought in by ambulance after a high-speed motor vehicle collision. Which one of the following patients requires the most urgent medical care?
A 60-year-old man presents to the office with concerns regarding a pruritic rash, which he has had for several years. He reports a “crawling” sensation on his skin. He is concerned that this rash may be caused by a parasite he may have picked up while serving in the military overseas. On examination, you note multiple crusted lesions on his forearms, neck, chest, scalp, and thighs. There is a complete sparing of the skin on his back. He brought a bottle with fibrous material of different colours that he picked from his wounds. He is otherwise healthy and reports no other symptoms except some chronic fatigue and insomnia related to the itching. Which one of the following treatments is the most appropriate?
A 62-year-old man (wealthy philanthropist) with emphysema from smoking and a 21-year-old woman (elementary teacher) with cystic fibrosis are both compatible matches for a lung transplant. Which criterion determines organ allocation?
A 26-year-old man presents with pain, numbness, and weakness in his right upper extremity. He works as a computer programmer, and his BMI is 32. Symptoms have worsened since he started spending more time on the keyboard. He reports that his right hand feels clumsier while he is typing. Physical examination reveals mild weakness in the intrinsic muscles of that hand, with a positive Tinel sign at the ulnar nerve. Which one of the following is the best next step?
A 55-year-old woman presents to the office with a 2-month history of right shoulder pain and limited function that started after she began an upper body weight training program. Examination shows tenderness inferior to the acromion. She has full passive range of motion of the shoulder but significant pain with abduction from 30° to 120° of arc. Which one of the following is the best next step?