38 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Algorithm UOsm ... EABV) - Consider: Hypovolemia ... Vasopressin-independent - Consider: Primary ... #diagnosis #differential ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Malignancy True hypovolemia ... suppression • Primary ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Malignancy True hypovolemia ... suppression • Primary ... #Nephrology #Differential
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... ON (UNa < 30): Hypovolemia ... (UOsm < 100): Primary ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... #differential # ... diagnosis #algorithm ... #causes #nephrology
Hypernatremia Management Algorithm
Acute vs Chronic
Calculate Losses
 • Current water Deficit
 • Ongoing Free water Losses
 •
Hypernatremia Management ... Algorithm Acute ... Losses • Ongoing Urinary ... #Management #Algorithm ... #treatment #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... all the time (urinary ... #Differential # ... Causes #workup #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... Hypovolemia, UNa ... #Causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Primary hyperaldo ... #Differential # ... Causes #Workup #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... secreting tumor, Primary ... #Differential # ... potassium #low #nephrology