29 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Urologic irrigants Hypotonic ... ON (UNa < 30): Hypovolemia ... Hypothyroidism, Adrenal ... Primary polydipsia, Low
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... perspiration Renal ... #Differential # ... #nephrology #sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... • Hypovolemia: ... Algorithm #diagnosis #causes ... #nephrology #sodium ... #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... of hypotonic hyponatremia ... can be high or low ... Present (Uosm ≥100): Hypovolemia ... differential #diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... #Nephrology #Differential
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
EABV) - Consider: Hypovolemia ... Primary polydipsia, Low ... #diagnosis #differential ... #algorithm #causes ... #nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... with secondary, hypocalcemia ... Hypomagnesemia #differential ... #nephrology #magnesium ... #low
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Beer Potomania - Low ... Hypothyroidism, adrenal ... Diagnosis #Algorithm #causes ... #nephrology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Weakness, fatigue, nausea ... , hypotension, hyponatremia ... , hyperkalemia, ... insufficiency • Low