9 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... failure • Chronic ... • Tumor lysis/hemolysis ... #nephrology #potassium
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... Increased Serum K = Hyperkalemic ... Renal Tubular Acidosis ... tract obstruction, Chronic ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... trauma - Ischemic colonic ... - Metabolic acidosis ... deficiency • Renal ... potassium #high #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Renal artery stenosis ... Diagnosis #Causes #Workup ... #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... trauma - Ischemic colonic ... - Metabolic acidosis ... deficiency • Renal ... potassium #high #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... tubal acidosis ... : • Acute or chronic ... Hypervolemia, UNa ... #Causes #nephrology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Leukemia (CML) - Hemolytic ... • Diabetic acidosis ... - Renal ... • Chronic renal ... Sarcoidosis • Hypercalcemia
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... normal Type 4: Hyperkalemic ... Surgical drains - Chronic ... Differential #Diagnosis #Workup ... #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
injury, ischemia, hemolysis ... reabsorption) Workup ... Pseudohyperkalemia - hemolysis ... 15 suggests ↓ renal ... Treatment #potassium #nephrology