hypocalcemia(低血鈣症)

症狀/併發症(symptom/complication)	@CNS: seizure. @cataract白內障 @excitable @@Tetany: similar as hypomagnesemia or metabolic alkalosis
病因(etiology)	|low concentration of PTH ||Parathyroid hormone resistance: Pseudohypoparathyroidism(假性副甲狀腺功能低下) |Vit D dysfunction ||1,25(OH)2D deficiency ||1,25(OH)2D resistance |Acute calcium deposition ||Acute hyperphosphatemia |||Rhabdomyolysis |||Tumor lysis |||Citrate complex due to blood transfusion |||Saponification due to pancreatitis |Hypoalbuminemia: Low total calcium, normal free calcium, due to liver dysfunction, not real hypocalcemia-->Corrected Ca = [0.8 x (normal albumin - patient's albumin)] + serum Ca level
檢查/準則(examination/criteria)	#Chvostek’s sign #Trousseau’s sign 資料來源：biology-forums
治療(treatment)	$Intra-venous calcium infusion 400 – 1000 mg/24hr for spasm phase $oral calcium intake during stable: 2000mg/day $Preparation for vitamin D $Protect air way and be alert to spasm $Intra-venous calcium infusion in emergeny
鑑別診斷(Differential Diagnosis)
流行病學(Epidemiology)

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