The Internet Book of Critical Care Podcast
IBCC Episode 50 - Hyper and Hypomagnesemia
Aug 15, 2019
25:42
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Quick takeaways
- Diagnosing magnesium levels is challenging due to lack of specific manifestations, severe hypomagnesemia can lead to critical manifestations like muscular hyperexcitability.
- Managing life-threatening hypomagnesemia involves a cardiac magnesium infusion protocol and cautious treatment with oral or IV magnesium based on renal function and repletion strategies.
Deep dives
Diagnosis and Levels of Hypomagnesemia and Hypermagnesemia
Diagnosing magnesium levels when too low or high is challenging due to the lack of specific clinical manifestations. Normal serum levels range from 1.7 to 3 mg per dl. Severe hypomagnesemia can be less than 1.2 mg per dl, leading to critical manifestations such as muscular hyperexcitability.
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