Hypocalcemia
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Obesity, Sleep & Internal medicine
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| Hypocalcemia | |
|---|---|
| File:Polfa Warszawa Calcium Chloratum 67mg-per-ml 10ml - stack.jpg | |
| Synonyms | Calcium deficiency disease |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Muscle cramps, tetany, paresthesia, seizures, cardiac arrhythmias |
| Complications | Osteoporosis, osteomalacia, rickets |
| Onset | Sudden or gradual |
| Duration | Varies |
| Types | N/A |
| Causes | Hypoparathyroidism, vitamin D deficiency, chronic kidney disease, magnesium deficiency, pancreatitis |
| Risks | Premature birth, malnutrition, alcoholism |
| Diagnosis | Blood test showing low serum calcium |
| Differential diagnosis | Hyperventilation, epilepsy, anxiety disorder |
| Prevention | Adequate dietary calcium and vitamin D |
| Treatment | Calcium supplementation, vitamin D supplementation, intravenous calcium |
| Medication | Calcium carbonate, calcium gluconate, calcitriol |
| Prognosis | Good with treatment |
| Frequency | Common |
| Deaths | N/A |
Hypocalcemia is a medical condition characterized by an abnormally low level of calcium in the blood plasma. Calcium is a vital mineral in the body, playing a crucial role in various physiological processes, including muscle contraction, nerve conduction, and blood coagulation.
Causes[edit]
Hypocalcemia can result from a variety of causes, which can be broadly categorized into the following:
- Hypoparathyroidism: This is a condition where the parathyroid glands produce insufficient amounts of parathyroid hormone (PTH), which is essential for maintaining calcium balance.
- Vitamin D deficiency: Vitamin D is crucial for calcium absorption in the gut. A deficiency can lead to decreased calcium levels.
- Chronic kidney disease: The kidneys play a role in converting vitamin D to its active form and in excreting phosphate. Impaired kidney function can lead to hypocalcemia.
- Acute pancreatitis: Inflammation of the pancreas can lead to fat necrosis, which binds calcium and reduces its levels in the blood.
- Medications: Certain medications, such as bisphosphonates and some anticonvulsants, can cause hypocalcemia.
Symptoms[edit]
The symptoms of hypocalcemia can vary depending on the severity and duration of the condition. Common symptoms include:
- Muscle cramps and spasms
- Paresthesia (tingling sensation) in the fingers and around the mouth
- Tetany, which is characterized by involuntary muscle contractions
- Seizures
- Cardiac arrhythmias
- Laryngospasm
Diagnosis[edit]
The diagnosis of hypocalcemia is typically made through blood tests that measure the level of calcium in the blood. Additional tests may include:
- Serum albumin levels, as calcium binds to albumin
- Serum magnesium levels, since magnesium deficiency can also cause hypocalcemia
- Parathyroid hormone levels
- Vitamin D levels
Treatment[edit]
The treatment of hypocalcemia depends on the underlying cause and the severity of the condition. Common treatments include:
- Calcium supplements: Oral calcium supplements, such as calcium carbonate or calcium citrate, are often used to increase calcium levels.
- Intravenous calcium: In severe cases, intravenous calcium gluconate or calcium chloride may be administered.
- Vitamin D supplementation: If vitamin D deficiency is the cause, supplementation with vitamin D is necessary.
- Magnesium supplementation: If hypomagnesemia is present, magnesium supplements may be required.
Prevention[edit]
Preventive measures for hypocalcemia include ensuring adequate intake of calcium and vitamin D through diet or supplements, regular monitoring of calcium levels in individuals at risk, and managing underlying conditions that may contribute to hypocalcemia.
