23 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... K loss • Hypomagnesemia-induced ... tubular acidosis ... Ureterosigmoidostomy, Diabetic ... #nephrology #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
tubular acidosis ... - Polyuria - Hypomagnesemia ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... - Uncontrolled diabetes ... #Differential # ... Low #Magnesium #Table ... Classification #Causes
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... Correction of diabetic ... osmotic diuresis - Potassium ... #differential # ... medications #drugs #pharmacology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Renal acidosis ... Potassium-sparing ... #differential # ... #nephrology
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
Gap Metabolic Acidosis ... (HAGMA) - Differential ... salicylate toxicity causes ... Ketoacidosis - diabetic ... GOLDMARK #mnemonic #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Correction of diabetic ... osmotic diuresis, Potassium ... #Causes #differential ... #diagnosis #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... solute loading • Relief ... Dl • Chronic Renal ... Diagnosis #Algorithm #causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... (Uncontrolled diabetes ... - Metabolic acidosis ... #diagnosis #causes ... #nephrology