18 results
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Diagnosis Algorithm ... ischemia-induced RBC hemolysis ... ) • RBC Hemolysis ... Differential #Diagnosis #Algorithm ... #causes #potassium
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... Defects • G6PD ... Intravascular - Hemolysis ... malformations #Hemolysis
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... • Tumor lysis/hemolysis ... • Type 1 #Hyperkalemia ... #Diagnosis #algorithm
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Differential Diagnosis Algorithm ... bodies, DAT (-) → G6PD ... Immune mediated hemolysis ... Differential #Diagnosis #Algorithm
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... edema • Jaundice/Hemolytic ... • Recent IV potassium ... cell lysis: - Hemolysis ... diagnosis #causes #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... edema • Jaundice/Hemolytic ... • Recent IV potassium ... cell lysis: - Hemolysis ... diagnosis #causes #potassium
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Tourniquet use - Hemolysis ... intoxication - Hyperkalemic ... aged blood - Hemolysis ... acidosis) #Hyperkalemia
Drug-induced Hemolysis in G6PD Deficiency
Medicines and other substances likely to be UNSAFE in moderate to severe
Drug-induced Hemolysis ... in G6PD Deficiency ... moderate to severe G6PD ... #DrugInduced #Hemolysis ... #Pharmacology #
Nitrofurantoin Toxicology
Serious Adverse Effects:
Hemolysis in patients with G6PD-deficiency
Peripheral neuropathy
Hepatitis
Pulmonary toxicity
Nephritis

By Dr. Kathryn Watson @Kat_Watson

#Nitrofurantoin #Macrobid #Toxicity
Adverse Effects: Hemolysis ... patients with G6PD-deficiency ... Toxicity #Toxicology #Pharmacology
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... tacrolimus - Hyperkalemic ... Crush injury, Hemolysis ... • Pseudo hyperkalemia ... Diagnosis #Causes #potassium