Hypomagnesemia
Background
- HypoK, hypoCa and hypophos are often also present
Diagnosis
CNS
- Muscle weakness
- Ataxia
- Confusion
- Seizures
- Coma
GI
- Dysphagia
CVCardiovascular
- CHF
- Dysrhythmias
- Hypotension
Miscellaneous
- Hypokalemia
- Hypocalcemia
- Anemia
DDX
- ETOH
- Malnutrition
- Cirrhosis
- Pancreatitis
- S/P DKA
- GI loss (esp diarrhea)
- Renal wasting
- Furosemide
- Hypophosphatemia
Treatment
- Replete 2gm IV over 2hrs
- up to 8-12gm may be given on 1st day
Source
Tintinalli