ICU Vivas · Electrolytes
Clinical viva — your approach to the patient with dysnatraemia
A clinical viva on the structured approach to a dysnatraemia — the classification by osmolality and volume, the distinction of SIADH from the hypovolaemic and hypervolaemic causes, the correction-rate ceiling, and the principle that the rate of change governs outcome.
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Target exams
CICMFFICMEDIC
Prompt
A clinical viva on the structured approach to a dysnatraemia — the classification by osmolality and volume, the distinction of SIADH from the hypovolaemic and hypervolaemic causes, the correction-rate ceiling, and the principle that the rate of change governs outcome.
The question
"Take me through your approach to a patient who is found to have a low serum sodium."[4]
References4ShowHide
- [1]Adrogué HJ, Madias NE. Hyponatremia. New England Journal of Medicine, 2000.PMID 10824078
- [2]Adrogué HJ, Madias NE. Hypernatremia. New England Journal of Medicine, 2000.PMID 10816188
- [3]Verbalis JG, Goldsmith SR, Greenberg A, et al. Diagnosis, evaluation, and treatment of hyponatremia: expert panel recommendations. American Journal of Medicine, 2013.PMID 24074529
- [4]Bersten AD, Soni N (eds) Oh's Intensive Care Manual. 8th edition, Elsevier, 2018.