19 results
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Acidosis - RTA - Diarrhea ... Metabolic alkalosis ... Primary hyperaldo ... #Diagnosis #Causes ... #Workup #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Laxative use • Diarrhea ... consumption • Low ... - Metabolic Alkalosis ... #nephrology #low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... losses (NG suction, diarrhea ... vomiting) • Low ... #nephrology #low ... #potassium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Algorithm Cl- ... • Normal/low ... the indicated causes ... of sodium and potassium ... #nephrology #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... #causes #potassium ... #low #nephrology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Urinary Chloride ... Congenital chloride diarrhea ... - Normal/low ... #causes #urinary
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Ureterosigmoidostomy Urinary ... Catecholamines - Alkalosis ... #Potassium #Table ... Classification #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis ... #nephrology #phosphorus ... #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... • Normal or Low ... #phosphate #nephrology