Dive into a comprehensive 37-minute video lecture on hyponatremia, exploring its symptoms, causes, diagnostic approaches, and treatment options. Learn about the crucial role of antidiuretic hormone (ADH) and differentiate between SIADH and cerebral salt wasting. Understand the various etiologies by mechanism and follow a structured diagnostic evaluation process. Gain insights into the osmotic demyelination syndrome, also known as central pontine myelinolysis, and its significance in hyponatremia management. Explore treatment strategies, including addressing underlying diseases, fluid restriction, sodium administration, and the use of ADH receptor antagonists. Conclude with a practical treatment algorithm to guide clinical decision-making in hyponatremia cases.