Hypophosphatemia Flashcards
1
Q
Extrarenal causes
A
GI reduced absorption - chronic diarrhoea, insufficient intake
Increased intracellular sequestration - refeeding syndrome, leukemia/lymphoma, DKA recovery, resp alkalosis
2
Q
Renal causes
A
CKD, 3ary hyperPTH
Renal PO4 leak
3
Q
Drug related
Tumour related
A
Drugs - aminoglycosides, cisplatin, antacids
Tumour induced osteomalacia
4
Q
Classification
- mild
- moderate
- severe
A
Mild - 0.65-0.79mmol/L
Moderate - 0.32-0.64mmol/L
Severe - U0.32mmol/L
5
Q
Management
A
Treat if moderate/severe
-PO4-sandoz effervescent
Excessive doses => hyperkalemia, hypocalcemia, metastatic calcification
Correct hypocalcemia first