13 results
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 - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... abnormalities - Hypercalcemia ... - Hypokalemia ... Classification #Causes #Workup
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
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... Hyperphosphatemia, Low PTH: Hypoparathyroidism ... contrast agents • Hypomagnesemia ... @kdjhaveri #Hypocalcemia
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Magnesium - Functional Hypoparathyroidism ... Phosphate, Low PTH - Hypoparathyroidism ... @aishaikh #Hypocalcemia ... #Workup #Differential
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Normal PTH: • Hyperparathyroidism ... Hypocalciuric Hypercalcemia ... @aishaikh #Hypercalcemia ... Diagnosis #Algorithm #Workup
Hypomagnesemia and Electrolyte Disorders
 • Hypocalcemia - lowers PTH ( functional hypoparathyroidism), bone resistence to PTH,
Hypomagnesemia and ... Disorders • Hypocalcemia ... PTH ( functional hypoparathyroidism ... deficiency • Hypokalemia ... @kdjhaveri #Hypomagnesemia
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Alkalosis • Hypokalemia ... • Hypomagnesemia ... PO4 > 5%: • Hyperparathyroidism
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
(correction of hypokalemia ... repaired) • Primary hyperparathyroidism ... Causes #Screening #Workup