31 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Transcellular Shift ... vomiting) • Low K ... Transcellular shifts ... #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Malignancy True hypovolemia ... • Reduced GFR, AKI ... Hypothyroidism • Adrenal ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Malignancy True hypovolemia ... • Reduced GFR, AKI ... Hypothyroidism • Adrenal ... #Nephrology #Differential ... #Diagnosis #Algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... Present (Uosm ≥100): Hypovolemia ... #differential #diagnosis ... table #sodium #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... ↑ Aldosterone: Adrenal ... #differential #algorithm ... #diagnosis #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... Algorithm Defining ... #differential #diagnosis ... #algorithm #causes ... #nephrology #potassium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... ON (UNa < 30): Hypovolemia ... Hypothyroidism, Adrenal ... #Algorithm #diagnosis ... #sodium #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... suggests extra-renal ... syndrome, Congenital adrenal ... #diagnosis #Algorithm ... differential #potassium #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... EABV) - Consider: Hypovolemia ... solute intake, Renal ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Algorithm Acidosis ... Intracellular Shift ... Renal artery stenosis ... #Diagnosis #Causes ... #Workup #Nephrology