33 results
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
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... with hypokalemia ... overdose) - Sodium ... Fanconi syndrome ... differential #diagnosis #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
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Overview What ... thiazide-sensitive sodium ... Rhabdomyolysis Treatment ... #diagnosis #nephrology ... #management #pathophysiology
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
in cardiorenal syndrome ... • Increased renal ... hypertrophy • Sodium ... #Mechanisms #pathophysiology ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Hypovolemia, UNa ... Hypovolemia, UNa ... Differential #Diagnosis #Algorithm ... #Causes #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Pathophysiology ... thiazide-sensitive sodium-chloride ... H+ secretion → Hypokalemia ... #Pathophysiology ... #nephrology #diagnosis
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... 90 minutes) • Sodium ... (if preserved renal ... LouLectures #Hyperkalemia ... management #potassium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... GI losses • Renal ... #Hyponatremia #Nephrology