9 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... administration • Osmotic diuresis ... mannitol, glucosuria Low ... • Burns • ICU
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
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... • Euvolemia: SIADH ... #diagnosis #causes ... #nephrology #sodium ... #low
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
release of anti-diuretic ... stimulated in states of low ... Measured urine sodium ... #Hypovolemia #EBV ... #potomania #SIADH
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Management of Hyponatremia ... doses - consider ITU ... • IF SIADH — ... #Management #algorithm ... #treatment #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Measure urine osmolality ... volume status (EABV ... the underlying cause ... include vaptans (HF ... management #nephrology #sodium
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... nephron - TTKG > 7, Urine ... EABV (e.g., CHF ... • Diabetic nephropathy ... #Causes
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential ... Diagnosis Algorithm ... in Cancer UOsm ... 100 mOsm/kg = Urine ... inappropriate • SIAD
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
mental status and low ... urine output. ... the determined cause ... #heartfailure #chf ... #criticalcare #icu