16 results
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
Hyperkalemia - Differential ... lysissyndrome - Massive Hemolysis ... Other - Insulin deficiency ... - Exercise - Hyperkalemic ... DrEricStrong #Hyperkalemia
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... cell lysis: - Hemolysis ... paralysis - Insulin deficiency ... Mineralocorticoid deficiency ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... cell lysis: - Hemolysis ... paralysis - Insulin deficiency ... Mineralocorticoid deficiency ... potassium #high #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... blockers - MCW Nephrology ... MCW_Nephrology #HyperKalemia
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... • Tumor lysis/hemolysis ... • Type 1 #Hyperkalemia ... Diagnosis #algorithm #nephrology
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Tourniquet use - Hemolysis ... ß-Blockade - Insulin deficiency ... aged blood - Hemolysis ... - Aldosterone deficiency
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... - Insulin deficiency ... tacrolimus - Hyperkalemic ... Crush injury, Hemolysis ... • Pseudo hyperkalemia
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... injury, ischemia, hemolysis ... Pseudohyperkalemia - hemolysis ... #Hyperkalemia ... Treatment #potassium #nephrology
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
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
antibodies leading to hemolysis ... Hemolysis on labs ... , fever, minor hemolysis ... recipients w/ IgA deficiency ... Hypocalcemia, Hyperkalemia