Review Question - QID 107619

A 34-year-old man presents to the emergency department with a 3-day history of fever and chills. He says that he had symptoms after waking up from a night out drinking but became worried when the symptoms persisted despite a night of good rest. He has pain in his fingers as well as generalized fatigue and malaise. His past medical history is significant for opioid use disorder for which he is not currently taking any maintenance medications. His temperature is 100.5°F (38.1°C), pulse is 105/min, blood pressure is 135/60 mmHg, and respirations are 22/min. On physical exam, the findings shown in Figure A and Figure B are seen on the patient's hands. The patient's head also bobs after every heartbeat. Which of the following findings is most likely also present?