A patient has a measured serum calcium of 6.9 mg/dL and an albumin of 2.8 g/dL. What is the corrected calcium?
Answer and explanation
Correct answer: A. 7.86 mg/dL
- Step 1: Corrected calcium .
- Step 2: mg/dL.
Answer
7.86 mg/dL.
Why not the others: 6.9 mg/dL: No correction for albumin was made. 5.94 mg/dL: The correction was subtracted instead of added. 8.1 mg/dL: The factor 0.8 was left out.
Practise more Internal Medicine and Therapeutics.
Free questions with an explanation for every one, and full timed Egyptian Medical Licensing Examination (EMLE) mock tests.
More Internal Medicine and Therapeutics questions
- A 58-year-old male presents with acute central chest pressure radiating to the left arm. ECG demonstrates ST-segment elevation of 2.5 mm in…
- A 64-year-old female with chronic heart failure has persistent dyspnea and bilateral ankle edema despite enalapril and furosemide. Echocardi…
- A 28-year-old female presents with heat intolerance, weight loss, fine hand tremor, and diffuse painless goiter. Laboratory tests show TSH <…
- A 45-year-old male with chronic hepatitis C cirrhosis presents with fever, generalized abdominal pain, and worsening ascites. Paracentesis y…
- A 32-year-old male with type 1 diabetes presents to the emergency department with vomiting, abdominal pain, and Kussmaul respirations. Blood…
- A 68-year-old male smoker presents with progressive exertional dyspnea and chronic morning productive cough. Spirometry demonstrates a post…