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Causes of Hypophosphatemia, Clinical features of Hypo-phosphataemia -…
Causes of Hypophosphatemia
Increased Renal loss
Primary Hyperparathyroidism
(important cause)
IV fluid+diuretics
Fanconi's syndrome
Osmotic diuretics
Redistributed into cells
Respiratory Alkalosis
Refeeding after starvation
Treatment for DKA
Inadequate intake/absorption
Chronic diarrhoea
Malnutrition/Malabsorption
Vitamin D deficiency/resistance
Antacids/Phosphate binders
Clinical features of Hypo-phosphataemia
Skeletal muscle
Rhabdomyolysis, Diaphragmatic weakness, Resp. failure
Bone-
Osteomalacia
(in severe,prolonged hypophosphatemia
Cardiac muscle- CCF(decreased contractility)
Smooth muscle- Ileus
CNS- reduced consciousness, convulsion, coma
Blood- reduced survival of blood cell lineages, anemia