SIADH is one of those conditions where water retention can be deceptively subtle—but can quickly lead to life-threatening hyponatremia. In this episode, Dr. Morgan Taylor, DNP, CPNP, CCRN, breaks down what happens when the body produces too much antidiuretic hormone (ADH), leading to fluid overload, dangerously low sodium, and neurological decline.
Learn how to identify early signs of SIADH, interpret the hallmark lab values, and prioritize interventions when sodium levels drop to critical levels. Morgan shares a real-life post-op case that highlights how easily SIADH can go unnoticed—until confusion and lethargy set in. Plus, we walk through a high-yield NCLEX question to help lock in your understanding.
Topics discussed in this episode:
What SIADH is and how it affects fluid and sodium balance
Why clients retain water but not sodium—and why that’s dangerous
Early signs of hyponatremia and how to catch subtle neuro changes
Interpreting lab results: low sodium, low serum osmolality, high urine osmolality
A real case of SIADH post-head trauma with neurological decline
Fluid restriction, seizure precautions, and hypertonic saline use
The danger of correcting sodium too quickly
Breaking down a test question on priority nursing interventions for SIADH
This episode is packed with clinical pearls and must-know nursing actions to keep your clients safe and your knowledge sharp. Tune in now to master SIADH for the NCLEX and real-world practice!
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