24 results
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Chloridorrhea Renal ... • Penicillins Renal ... MetabolicAlkalosis #NonGap ... #Nephrology #Differential
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm Low ... oral intake Renal ... Transcellular shift ... Diagnosis #Algorithm #Causes ... #Classification
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... intake • Metabolic ... loss (Diarrhea) Renal ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Metabolic Acidosis ... Diarrhea • Fistula Renal ... Cell Problem - Low ... MetabolicAcidosis #NonGap ... #Nephrology #Differential
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... oxoproline) • Renal ... Renal acidosis ... #NonGap #Metabolic ... #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... cells FEMg >4% = renal ... differential #diagnosis #causes ... #nephrology #magnesium ... #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... hyperaldosteronism • High PRA: Renal ... aldosteronism #Metabolic ... Diagnosis #Algorithm #Nephrology ... #Causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Intracellular Shift ... Metabolic alkalosis ... Renal artery stenosis ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... causes • Laxative ... consumption • Low ... differential #potassium #nephrology ... #low
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... - Appropriate renal ... , TTKG, distal flow ... Non-Anion Gap Metabolic ... IntercellularShift #Nephrology