9 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 ... Decreased renal potassium ... diet • Blood ... • Tumor lysis/hemolysis ... • Type 1 #Hyperkalemia
Hyperkalemia - Differential Diagnosis Framework

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... Crush injury • Blood ... • Recent IV potassium ... 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 (
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... antibodies leading to hemolysis ... Hemolysis on labs ... , fever, minor hemolysis ... Blood products contain
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 ... Blood products contain ... potassium from
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... Crush injury, Hemolysis ... • Pseudo hyperkalemia ... : Blood draw error ... Diagnosis #Causes #potassium
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... Can give with blood ... Is Dangerous in Hyperkalemia ... coagulation and hemostasis ... NS #comparison #pharmacology