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Review Question - QID 213383

In scope icon M 6 B
QID 213383 (Type "213383" in App Search)
A 44-year-old woman presents to the emergency department with pain in her mouth. She states that it started a few days ago and has been gradually worsening. The patient has experienced malaise and symmetric joint pain that is worse in the morning for the past several months and is currently being treated. She otherwise states that she feels well. Her temperature is 98.3°F (36.8°C), blood pressure is 124/85 mmHg, pulse is 88/min, respirations are 14/min, and oxygen saturation is 99% on room air. Physical exam is notable for the finding in Figure A. Laboratory studies are ordered as seen below.

Serum:
Na+: 141 mEq/L
Cl-: 102 mEq/L
K+: 4.3 mEq/L
HCO3-: 25 mEq/L
BUN: 20 mg/dL
Glucose: 96 mg/dL
Creatinine: 1.1 mg/dL
Ca2+: 10.2 mg/dL
AST: 62 U/L
ALT: 90 U/L

Which of the following is also likely to be found in this patient?
  • A
  • A