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What are SIADH and DI? – Video
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Video at a Glance
- Syndrome of Inappropriate Antidiuretic Hormone (SIADH) occurs when the body produces too much Antidiuretic Hormone (ADH).
- In the presence of ADH, certain water pores within the body open, causing increased osmolarity, which concentrates the urine and decreases ureic output.
- During SIADH, sodium levels drop to the 120s and 110s.
- Diabetes Insipidus (DI) is the opposite of SIADH and presents with massive diuresis, which may lead to life-threatening dehydration and electrolyte imbalances.
- There are two types of DI: neurogenic and nephrogenic.
- DI treatment is exogenous administration of synthetic ADH.
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