27 results
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
Drugs that Impair Renal ... Potassium Excretion ... Aldosterone Release: ACE ... Pathophysiology #Pharmacology ... #Renal
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... Low intake • Metabolic ... loss (Diarrhea) Renal ... Algorithm #causes #potassium ... #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... • High Urine Cl ... hyperaldosteronism • High PRA: Renal ... syndrome #Primary #Metabolic ... Diagnosis #Algorithm #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... infusions) - Metabolic ... diagnosis #causes #potassium ... #high #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm Cl ... Kidney loss of Cl ... Cystic fibrosis Cl ... of sodium and potassium ... urine #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... • High Urine Cl ... hyperaldosteronism • High PRA: Renal ... aldosteronism #Metabolic ... Diagnosis #Algorithm #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... Pressure: - Metabolic ... #differential #potassium ... #nephrology #low
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Potassium-sparing ... ACE-Is and ARBs ... aniongap #NonGap #Metabolic ... diagnosis #causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... infusions) - Metabolic ... diagnosis #causes #potassium ... #high #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... salicylates) R Renal ... - Diarrhea - Renal ... acidosis/Chronic renal ... Diagnosis #Summary #Nephrology