13 results
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Alwavs Repeat Blood ... while drawing blood ... ischemia-induced RBC hemolysis ... ) • RBC Hemolysis ... Algorithm #causes #potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... diet • Blood ... • Tumor lysis/hemolysis ... Normal, Renin High ... hypoplasia Aldosterone high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... phlebotomy High ... Crush injury • Blood ... cell lysis: - Hemolysis ... Blood transfusion
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... phlebotomy High ... Crush injury • Blood ... cell lysis: - Hemolysis ... Blood transfusion
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Tourniquet use - Hemolysis ... intoxication - Hyperkalemic ... Transfusion of aged blood ... - Hemolysis (
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... glycosides • High ... dietary intake • Blood ... MCW_Nephrology #HyperKalemia
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... Crush injury, Hemolysis ... : Blood draw error ... Diagnosis #Causes #potassium ... #high
Pseudohyperkalemia vs Reverse Hyperkalemia

Pseudohyperkalemia and reverse pseudohyperkalemia are both conditions where potassium levels appear falsely elevated.

Pseudohyperkalemia:
This
Pseudohyperkalemia vs Reverse Hyperkalemia ... leukocytes, or red blood ... • Occurs after blood ... • Hemolysis during ... levels with: • Hemolysis
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 ... High mortality. ... potassium from
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
antibodies leading to hemolysis ... Hemolysis on labs ... , fever, minor hemolysis ... High mortality. ... potassium from