17 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
Massive Hemoptysis - Diagnosis and Management
 • Definitions: 
   - Hemoptysis = bleeding from
Massive Hemoptysis ... Definitions: - Hemoptysis ... cords - Pseudo-hemoptysis ... cause death by asphyxia ... or blood loss
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 (
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Tissue injury • Hemolysis ... dietary intake • Blood ... MCW_Nephrology #HyperKalemia
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... Benyzlpenicillin, blood ... MunerMohamed1 #hyperkalemia ... pathophysiology #pharmacology ... #potassium #medications
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... Crush injury, Hemolysis ... • Pseudo hyperkalemia ... : Blood draw error ... Diagnosis #Causes #potassium
Here’s a review of the Renin-Angiotensin-Aldosterone system (RAAS)

This is a very common pathway that clinicians should
with excreting potassium ... causes increased blood ... This decreases blood ... avoid harmful hyperkalemia ... ReninAngiotensinAldosteroneSystem #RAAS #Pharmacology