12 results
diagnosis differential management low comparison hypernatremia hypotonic lazy pathophysiology physiologic polydipsia saltwasting table uricacid volume
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
Renal losses, Cerebral ... uric acid <4 • SIADH ... Glucocorticoid deficiency, Primary ... #algorithm #diagnosis ... #sodium #low #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Cerebral Salt Wasting ... Neurological event 2) Sodium ... → Increased urine ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Sodium 4) Serum ... Low Uric Acid → SIADH ... #nephrology #sodium
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Algorithm Hypertonic ... OFF (UNa > 30): SIADH ... Reset osmostat, Cerebral ... (UOsm < 100): Primary ... #sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... Insufficiency, Cerebral ... water intake (Primary ... #nephrology
A lazy man's classification of hyponatremia There are two possible approaches to the diagnosis of hyponatremia: .
serum osmolality, urine ... sodium). ... the patient has SIADH ... or cerebral salt ... #Algorithm #Differential
Hyponatremia - Differential Diagnosis Algorithm Hypovolemic - Give volume Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Solute Intake - Primary ... , SSRIs) - SIADH ... #diagnosis #nephrology ... #sodium
Primary Polydipsia Definition: Excessive volitional water intake Epidemiology: • 6-20% of patients with psychiatric disorders - Most commonly
hypothalamic thirst center ... Pseudohyponatremia, SIADH ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology
Management of SIADH Treat underlying cause: • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
include pain, primary ... promoting passive sodium ... Saline: • If Urine ... #Management #hyponatremia ... #nephrology #treatment
SIADH Treatment Options 1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... : Pain, Primary ... promoting passive sodium ... #Management #hyponatremia ... #nephrology #treatment
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