21 results
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Diagnosis Algorithm ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #nephrology #causes ... #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... • Renal tubular ... #causes #nephrology ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... #causes #potassium ... #low #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Hypokalemia Evaluation Algorithm

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... • High Urine Cl ... hyperaldosteronism • High PRA: Renal ... #Nephrology #Causes
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... with hypokalemia ... • Low Urine Cl ... • High Urine Cl ... #diagnosis #nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urine Na/K/Cl ... rhabdo/TLS) Causes ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm ... #Causes #Differential