9 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... 2) Urine Osmolarity ... 3) Urine Sodium ... Uric Acid → SIADH
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... mannitol, glucosuria Low ... Urine Osmolality ... #Causes
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
, urine sodium concentration ... and urine osmolality ... stimulated in states of low ... Measured urine sodium ... EBV #potomania #SIADH
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Calculate serum osmolality ... Measure urine osmolality ... the underlying cause ... include vaptans (HF ... management #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... Saline: • If Urine ... osmolality < 538 ... #Management #hyponatremia ... #nephrology #treatment
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... , Renal Sodium loss ... can be high or low
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... promoting passive sodium ... 0.9% NS • If Urine ... osmolality < 538 ... #Management #hyponatremia
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Euvolemia: SIADH ... Alcohol MH/CCF ... #diagnosis #causes ... #nephrology #sodium ... #low
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
mental status and low ... urine output. ... are excellent at evaluating ... the determined cause ... #heartfailure #chf