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diagnosis nephrology hyponatremia algorithm management differential treatment causes pathophysiology physicalexam workup 3 abnormal antiarrhythmics anticoagulation arteritis barre cancer cardiacarrest cardiology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... water retention 1) ... Serum Osmolarity 2) ... Uric Acid → SIADH ... #sodium #low #uricacid
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Salt Wasting vs SIADH ... Pathophysiology 1) ... Neurological event 2) ... Sodium loss from ... #hyponatremia #
Hypernatremia Diagnosis and Workup Step 1 . Repeat the sodium concentration. Step 2. Check plasma osmolality. NORMAL PLASMA
Workup Step 1 ... Repeat the sodium ... Step 2. ... EUVOLEMIC • SIADH ... Workup #Algorithm #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm 1) ... renal mechanism 2) ... • Euvolemic (Low ... Workup #Algorithm #nephrology ... #sodium
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Modified Hyponatremia ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
+K / serum Na >1 ... restriction alone in SIADH ... , Renal Sodium loss ... can be high or low ... #nephrology
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... Hypothyroidism, Low ... algorithm #diagnosis #sodium ... #low #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup Step #1 - Consider the history Step #2 - Assess
Hypernatremia Differential ... Workup Step #1 ... history Step #2 ... Management #Algorithm #Sodium ... #nephrology #insipidus
Hypernatremia - Differential Diagnosis and Treatment Hypernatremia is almost always due to unreplaced water loss (free water
output is a clue). 1) ... , Dehydration: neurologic ... water unavailable 2) ... ([Na] / 140) - 1) ... #sodium
SIADH Treatment Options 1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Options 1. ... Basically anything 2. ... purposes, restrict to 1 ... promoting passive sodium ... #Management #hyponatremia
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