Dehydration

Causes

Appropriate Tests

 

Clinical assessment. Investigation may include Electrolytes, Creatinine, Urea with urea/creatinine ratio, Albumin, Protein, Full blood count, Osmolality urine, Sodium urine, if appropriate to exclude acute tubular necrosis.

Reduced fluid intake

 

Coma

 

Fluid loss

 

Persistent vomiting/diarrhoea

Fever

Sustained exercise

Diabetes mellitus

  • Ketoacidosis
  • Hyperosmolar non-ketotic coma

Diabetes insipidus

Hypercalcaemia

Addison's disease

 

 

 

 

 

 

 

 

See under Adrenocortical insufficiency.