234 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm Low ... oral intake Renal ... tubular acidosis ... • Bartter's syndrome ... Diagnosis #Algorithm #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... gastrointestinal K loss • Renal ... • Renal tubular ... #nephrology #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... loss (Diarrhea) Renal ... Diagnosis #Algorithm #causes ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Medications Renal ... Losses Non-renal ... vomiting) • Low ... #low #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Mineralocorticoid excess - Renal ... tubular acidosis ... Differential #Diagnosis #Low ... Classification #Causes
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Localization of Renal ... Tubular Defects ... : Proximal tubule ... : Collecting tubule ... Pathophysiology #Nephrology
Renal Tubular Acidosis - Diagnosis Algorithm
 • Hyperkalemic Type 4 RTA
 • Hypokalemic Type 1 RTA
Renal Tubular Acidosis ... Type 4 RTA • Hypokalemic ... RTA • RTA of renal ... #Tubular #Acidosis ... Diagnosis #Algorithm #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Hypercalcemia - Hypokalemia ... tubular dysfunction ... Differential #Diagnosis #Low ... Classification #Causes
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Familial: Bartter syndrome ... and Gitelman syndrome ... with secondary, hypocalcemia ... #nephrology #magnesium ... #low
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
Diagnosis of Hypokalemia ... Categorized by Causes ... Extrarenal Losses, Renal ... Losses (High and Low ... #Diagnosis #Hypokalemia