31 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... EABV) - Consider: Hypovolemia ... Primary polydipsia, Low ... #diagnosis #differential ... algorithm #causes #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Amphotericin B - Polyuria ... DrEricStrong #Hypokalemia ... #Differential # ... Diagnosis #Low #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... ≥100): Hypovolemia ... , Hypervolemia with ... #differential # ... table #sodium #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... vomiting) • Low ... MatthewHoMD #Hypokalemia ... #Differential # ... Diagnosis #Algorithm #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
: • ADH ON (UOsm ... ON (UNa < 30): Hypovolemia ... wasting • ADH OFF (UOsm ... Primary polydipsia, Low ... diagnosis #sodium #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm ... nutrition), Azotemia LOW ... #Differential # ... Diagnosis #Algorithm #nephrology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential ... Hyperphosphatemia • Hyperkalemia ... Hypercalcemia ... coma SIADH: • Hyponatremia ... #oncology #differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... out, causes of hypokalemia ... filling of bucket (low ... varunnephro #Hypokalemia ... Causes #workup #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Normal Acid-Base: Low ... @priti899 #Hypokalemia ... #Differential # ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... diuresis (see Polyuria ... mannitol, glucosuria Low ... #Nephrology #Differential