21 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... • HTN, High Aldosterone ... Loop and thiazide diuretics ... #causes #potassium ... #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... (late) • High ... #Nephrology #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... >20 mEq/24 h - Diuretics ... #nephrology #causes ... #low #potassium
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... tubular transport • Diuretics ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... Alkalosis: Emesis, Diuretics ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... (late) • High ... #Nephrology #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... the indicated causes ... urine #Algorithm #nephrology ... #differential # ... diagnosis
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
, Potassium depletion ... ) • Endocrine disorders ... #differential # ... diagnosis #nephrology ... #magnesium #low
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Diagnosis: Causes ... D-lactate (short bowel syndrome ... Volume depletion (diuresis ... #Summary #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• K sparing diuretics ... Medications 2. ... #diagnosis #causes ... #potassium #high ... #nephrology