31 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... intake • Metabolic ... Renal Losses: • Metabolic ... Diagnosis #Algorithm #causes ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... consumption • Low ... differential #potassium #nephrology ... #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... , NGT suction, Low ... aldosteronism #Metabolic ... Diagnosis #Algorithm #Nephrology ... #Causes
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... • Metabolic acidosis ... blockers - MCW Nephrology ... MCW_Nephrology #HyperKalemia
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High Al, Low ... #Hypokalemia # ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... tubal acidosis and metabolic ... renal failure Hypervolemia ... Diagnosis #Algorithm #Causes ... #nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Familial: Bartter syndrome ... and Gitelman syndrome ... pentamidine), Hypercalcemia ... #nephrology #magnesium ... #low
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... aldosteronism Low ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology ... Diagnosis #Algorithm #Causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
• Nephritic syndrome ... Excess: • Conn's syndrome ... Unilateral RAS Metabolic ... • Hypercalcemia ... HTN #Secondary #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... - Tumor lysis syndrome ... infusions) - Metabolic ... differential #diagnosis #causes ... potassium #high #nephrology