35 results
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #Algorithm #nephrology ... #causes #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... • Renal K loss ... #differential # ... #nephrology #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... - Differential ... (urinary or GI loss ... #Differential # ... #workup #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential ... • Tumor lysis syndrome ... blockers - MCW ... Nephrology @MCW_Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... acidosis: Gl tract loss ... #Differential # ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Gastrointestinal loss ... • Low Urine Cl ... • High Urine Cl ... urine #potassium #differential ... algorithm #diagnosis #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... - Differential ... isolation) GI loss ... - Urine loss <20mmol ... #Nephrology #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... • High Urine Cl ... Diagnosis #Algorithm #Nephrology ... #Causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... - Increased Loss ... : • GI LOSS: ... Hypochloremia #Differential ... Pathophysiology #Nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... use), Gitelman's syndrome ... Sweat Loss: - ... #Causes #differential ... #diagnosis #nephrology