12 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
with secondary, hypocalcemia ... - Acquired: Medications ... pentamidine), Hypercalcemia ... causes #nephrology #magnesium ... #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... #Differential # ... Diagnosis #Low # ... Magnesium #Table
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... or enemas - Treatment ... hypocalciuric hypercalcemia ... Addison's disease) #Hypermagnesemia ... Causes #diagnosis #differential
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
to Treat Hyperkalemia ... to moderate); hypokalemia ... ; hypokalemia; constipation ... disturbances (including hypokalemia ... Potassium #Binding #Hyperkalemia
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Diuretics • Hypercalcemia-PTH ... #Magnesium #Low ... #Causes #Differential
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Cancer agents and ... Disorders • Hypocalcemia ... Regorafenib • Hypomaqnesemia ... Trastuzumab • Hypokalemia ... chemotherapy #diagnosis #differential
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
hypercalciuria, Hypercalcemia ... hypercalciuria, Hypercalcemia ... Struvite - Magnesium ... - Antiviral treatment ... Renal #stones #differential
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... antihypertensive agents ... with previously stable ... disorders including hypokalemia ... Hyperthyroidism, Hypercalcemia
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Family history of hypokalemia ... • Unexplained hypokalemia ... alkalosis • Normal or low ... pressure Labs: • Hypokalemia ... pathophysiology #Hypokalemia
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Diagnosis: • ↓ Low ... ↑ T3 - Mild hypercalcemia ... ↑ AST/ALT • Treatment ... radiocontrast agent ... causes #diagnosis #differential