Hyponatremia is a common electrolyte disorder characterized by low serum sodium levels, which can have significant neurological and systemic effects. The mnemonic "LOW SODIUM" helps nursing students and professionals remember the primary signs and symptoms, including: - L: Level of consciousness altered (confusion, lethargy, seizures) - O: Orthostatic hypotension - W: Weak muscles - S: Seizures - O: Osmolality low (serum) - D: Diarrhea - I: Increased intracranial pressure (ICP) - U: Urine osmolality high - M: More bowel sounds Understanding these symptoms is crucial in clinical settings, as prompt recognition and management of hyponatremia can prevent serious complications such as cerebral edema and neurological damage. Nursing students preparing for the NCLEX® exam benefit greatly from mnemonic devices like "LOW SODIUM" to efficiently memorize critical patient assessment information. Archer Review, used by more than half of nursing students this year with a 99% pass rate, offers comprehensive resources integrating such mnemonic aids to reinforce clinical knowledge. Utilizing these tools enhances learning retention and clinical decision-making skills necessary for excellent patient care. Clinicians should also correlate clinical findings with laboratory results, including serum sodium concentration, serum and urine osmolality, and volume status, to differentiate between causes of hyponatremia and guide appropriate treatment. Common causes include fluid overload states, SIADH, renal failure, and gastrointestinal loss. In summary, mastering "LOW SODIUM" signs and symptoms aids nursing students and professionals in recognizing hyponatremia, supporting timely interventions, and achieving success in examinations and clinical practice.