16 results
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... , Low PTH: Hypoparathyroidism ... • Hypophosphatemia ... contrast agents • Hypomagnesemia ... @kdjhaveri #Hypocalcemia
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia ... Alkalosis • Hypokalemia ... • Hypomagnesemia ... PO4 > 5%: • Hyperparathyroidism ... Resistance • Hypophosphatemic
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Hypomagnesemia ( ... dysrhythmias Hypokalemia ... metabolism • Hypocalcemia ... • Hypoparathyroidism ... calcitriol #Hypomagnesemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Malnutrition with Hypomagnesemia ... (CaSR) • Hypomagnesemia ... Low PTH • Hypoparathyroidism ... Poisoning #Hypocalcemia
Hypomagnesemia and Electrolyte Disorders
 • Hypocalcemia - lowers PTH ( functional hypoparathyroidism), bone resistence to PTH,
Hypomagnesemia and ... Disorders • Hypocalcemia ... PTH ( functional hypoparathyroidism ... from bones • Hypophosphatemia ... deficiency • Hypokalemia
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Elevated - Secondary Hyperparathyroidism ... Inappropriately Normal/Low - Hypoparathyroidism ... severe illness, Hyperphosphatemia ... emoryimchiefs #Hypocalcemia
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... absorption - Hyperparathyroidism ... hypocalciuric hypercalcemia ... Addison's disease) #Hypermagnesemia
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Magnesium - Functional Hypoparathyroidism ... Phosphate, Low PTH - Hypoparathyroidism ... Extravascular deposition: Hyperphosphatemia ... @aishaikh #Hypocalcemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... polyendocrinopathy • Hypomagnesemia ... • Severe hyperphosphatemia ... laxatives) #Hypocalcemia
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Disorders • Hypocalcemia ... Regorafenib • Hypophosphatemia ... Regorafenib • Hypomaqnesemia ... Trastuzumab • Hypokalemia