USMLE Step 2 CK: Causes of Hypocalcemia in Alcoholic
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What symptoms did the 55-year-old homeless man present with? - Muscle
cramps and perioral numbing.
What is the patient's significant past medical history? - Chronic and recurrent
abdominal pain, advised to quit drinking alcohol.
What were the patient's vital signs upon presentation? - Temperature: 36.7° C
(98° F), Blood Pressure: 110/65 mmHg, Pulse: 80/min, Respirations: 18/min.
What were the laboratory values for serum calcium in this patient? - 6.8 mg/dL.
What is the most probable cause of hypocalcemia in this patient? - Malabsorption
due to chronic pancreatitis.
How does hypoalbuminemia affect serum calcium levels? - It causes decreased
serum calcium levels, but ionized calcium remains unchanged, usually without
symptoms.
What vitamin deficiency is associated with hypocalcemia and hypophosphatemia?
- Vitamin D deficiency.
What is the role of 1,25-dihydro cholecalciferol in calcium and phosphate levels? -
It raises the serum levels of both calcium and phosphate.
Patients With complete solution– Expert Verified | Latest
Version | 100 Guaranteed Success
What symptoms did the 55-year-old homeless man present with? - Muscle
cramps and perioral numbing.
What is the patient's significant past medical history? - Chronic and recurrent
abdominal pain, advised to quit drinking alcohol.
What were the patient's vital signs upon presentation? - Temperature: 36.7° C
(98° F), Blood Pressure: 110/65 mmHg, Pulse: 80/min, Respirations: 18/min.
What were the laboratory values for serum calcium in this patient? - 6.8 mg/dL.
What is the most probable cause of hypocalcemia in this patient? - Malabsorption
due to chronic pancreatitis.
How does hypoalbuminemia affect serum calcium levels? - It causes decreased
serum calcium levels, but ionized calcium remains unchanged, usually without
symptoms.
What vitamin deficiency is associated with hypocalcemia and hypophosphatemia?
- Vitamin D deficiency.
What is the role of 1,25-dihydro cholecalciferol in calcium and phosphate levels? -
It raises the serum levels of both calcium and phosphate.