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

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypercalcemia - Hypokalemia ... #Differential # ... Diagnosis #Low # ... Magnesium #Table #Classification ... #Causes #Workup
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... High Al, High R - Secondary ... Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
mEq/g suggests urinary ... - Metabolic acidosis ... #diagnosis #Algorithm ... #differential # ... potassium #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... hyperaldosteronism, Secondary ... Renal tubular acidosis ... #Causes #differential ... #diagnosis #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... , Primary or secondary ... #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Metabolic Causes of Kidney Stones in Children
 • Calcium Oxalate: Primary Hyperoxaluria type 1-3, Secondary Hyperoxaluria
Renal Tubular Acidosis ... type 1-4, Lowe ... #pediatrics #nephrology ... #differential # ... diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... - Tumor lysis syndrome ... - Metabolic acidosis ... diagnosis #causes ... #nephrology