18 results
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Chloridorrhea Renal ... • Penicillins Renal ... #Nephrology #Differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses ... loss (Diarrhea) Renal ... , Gitelman syndrom ... #causes #potassium ... #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... > 20: • Renal ... Bicarbonaturia with renal ... Acute or chronic renal ... #Causes #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Diagnosis Algorithm ... , Gitelman Syndrome ... hyperaldosteronism • High PRA: Renal ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Diagnosis Algorithm ... , Gitelman Syndrome ... hyperaldosteronism • High PRA: Renal ... #Nephrology #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... GI losses • Renal ... • Reduced GFR, AKI ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... GI losses • Renal ... • Reduced GFR, AKI ... #Nephrology #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... , Congenital adrenal ... Alkalosis: Emesis ... syndrome, Gitelman ... differential #potassium #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Diuretics (discontinued ... Metabolic alkalosis ... Renal artery stenosis ... #Diagnosis #Causes ... #Workup #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
≥100): SIADH, Renal ... Hypothyroidism, Adrenal ... Present (Uosm <100): Renal ... Hypervolemia with poor renal ... table #sodium #nephrology