7 results
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
• Low Urine Cl ... • High Urine Cl ... Bartter syndrome, Gitelman ... differential #algorithm #diagnosis ... #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Normotensive: • UCl ... Post-hypercapnia • UCl ... Bartter's syndrome, Gitelman's ... #Algorithm #nephrology ... #causes #low #potassium
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
distal tubule. ↑ Nacl ... nephron → - ↑ K+ ... H+ secretion → Hypokalemia ... Pathophysiology #nephrology ... #diagnosis
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Antibiotics (Bactrim, PCN ... tourniquet / IVF line draw ... #Treatment #potassium ... #nephrology #K
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Blood Work: - Hypokalemia ... Inappropriate renal K+ ... Fractional excretion of Cl ... > 0.5% Clinical ... #Workup #nephrology
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
1.6, low urine Cl ... 0.7, high urine Cl ... Tubulopathy: urine K/ ... correcting serum potassium ... #algorithm #nephrology
Pseudohyperkalemia vs Reverse Hyperkalemia

Pseudohyperkalemia and reverse pseudohyperkalemia are both conditions where potassium levels appear falsely elevated.

Pseudohyperkalemia:
This
after blood is drawn ... • No clinical ... ECG despite high K+ ... #Potassium #Nephrology ... #Diagnosis