Study Smarter with MedSchoolBro on Instagram: "Code HAVC @medschoolbro = Mystery Discount Diabetes Insipidus: the 30-sec Flow Step 1: Water deprivation → urine osm ↑ = Primary polydipsia (Na normal/low). No change? Give desmopressin. Osm ↑ with DDAVP → Central DI (↓ ADH) → intranasal DDAVP + hydration. Still no change → Nephrogenic DI (renal resistance) → thiazide + NSAID; fix Li⁺. Pearl: DI = dilute urine; watch serum Na. #drhavicandbrody #medstudent #medschool #medicalstudent #medicalschool us

Rude Anatomy on Instagram: "🧠 Lithium is a true mood stabilizer for bipolar disorder Treats acute mania and provides long-term maintenance One of the few psychiatric meds shown to reduce death from self-harm, even independent of mood control Not a sedative Not a serotonin booster ⚠️ Narrow therapeutic window — levels matter Neurologic symptoms = think lithium toxicity Chronic use affects kidneys (polyuria, nephrogenic DI) and thyroid (hypothyroidism) Monitoring lithium levels, renal function, a