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
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... phlebotomy High ... trauma - Ischemic colonic ... causes #potassium #high ... #nephrology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Leukemia (CML) - Hemolytic ... Drug-induced • High ... • Chronic ... Sarcoidosis • Hypercalcemia ... • Alcohol #gout
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... phlebotomy High ... trauma - Ischemic colonic ... causes #potassium #high ... #nephrology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Differential Diagnosis Algorithm ... • Bleeding • Hemolysis ... Renal Disease, Liver ... Infection) High ... #Causes #Hematology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... normal Type 4: Hyperkalemic ... - Diarrhea - High ... Surgical drains - Chronic ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... Framework Rule out ... Malabsorption, Chronic ... FEPO4 ≥ 5% - Renal ... #phosphate #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
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... Creatinine • Chronic ... renal failure ... IntercellularShift #Nephrology