27 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hypovolemia, UNa ... Hypovolemia, UNa ... Hypothyroidism, Stress ... , UNa < 20 • Nephrotic ... #Causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
• Drugs • Pulmonary ... Malignancy True hypovolemia ... GI losses • Renal ... Cirrhosis • Nephrotic ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
• Drugs • Pulmonary ... Malignancy True hypovolemia ... GI losses • Renal ... Cirrhosis • Nephrotic ... #Hyponatremia #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... • Refeeding syndrome ... Medications Renal ... Losses Non-renal ... #nephrology #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... loss (Diarrhea) Renal ... potassium #low #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... gastrointestinal K loss • Renal ... • Renal tubular ... differential #diagnosis #algorithm ... #causes #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... • Interstitial nephritis ... #Diagnosis #algorithm ... #nephrology #potassium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
CHF, cirrhosis, nephrotic ... syndrome) Euvolemic ... Stress, Nausea, ... Pulmonary Diseases ... #diagnosis #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Tea and Toast Syndrome ... • Renal Failure ... liver failure, nephrotic ... syndrome ... #causes #nephrology
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Differential Diagnosis Algorithm ... Urine pH > 6.0 - Hypokalemic ... Chronic interstitial nephritis ... Differential #Diagnosis #Algorithm ... #nephrology