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MERCK MANUAL
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HEALTH TOPICS
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Hormonal and Metabolic Disorders
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Electrolyte Balance
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Electrolyte Balance
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Overview of Electrolytes
Overview of Sodium's Role in the Body
Controlling blood volume
Maintaining fluid and sodium balance in older adults
Hypernatremia (High Level of Sodium in the Blood)
Symptoms
Diagnosis
Treatment
Hyponatremia (Low Level of Sodium in the Blood)
Causes
Role of vasopressin
Symptoms
Diagnosis
Treatment
Syndrome of Inappropriate Secretion of Antidiuretic Hormone (SIADH)
Causes
Symptoms
Diagnosis
Treatment
Overview of Potassium's Role in the Body
More Information
Hyperkalemia (High Level of Potassium in the Blood)
Causes
Symptoms
Diagnosis
Treatment
Mild hyperkalemia
Moderate to severe hyperkalemia
Hypokalemia (Low Level of Potassium in the Blood)
Causes
Symptoms
Diagnosis
Treatment
Overview of Calcium's Role in the Body
More Information
Hypercalcemia (High Level of Calcium in the Blood)
Causes
Hyperparathyroidism
Familial hypocalciuric hypercalcemia
Symptoms
Diagnosis
Treatment
Hypocalcemia (Low Level of Calcium in the Blood)
Causes
Symptoms
Diagnosis
Treatment
Overview of Magnesium's Role in the Body
More Information
Hypermagnesemia (High Level of Magnesium in the Blood)
Symptoms
Diagnosis
Treatment
Hypomagnesemia (Low Level of Magnesium in the Blood)
Causes
Symptoms
Diagnosis
Treatment
Overview of Phosphate's Role in the Body
More Information
Hyperphosphatemia (High Level of Phosphate in the Blood)
Symptoms
Diagnosis
Treatment
Hypophosphatemia (Low Level of Phosphate in the Blood)
Acute hypophosphatemia
Chronic hypophosphatemia
Symptoms
Diagnosis
Treatment
