10 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC shift ... #differential #diagnosis ... pathophysiology #pharmacology ... #potassium #medications ... #druginduced
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Recent IV potassium ... Intracellular Shift ... lysis syndrome - Rhabdomyolysis ... #causes #potassium
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Differential Diagnosis ... Shift of extracellular ... Monitor potassium ... Dialysis for severe hyperkalemia ... #Differential #Diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Recent IV potassium ... Intracellular Shift ... lysis syndrome - Rhabdomyolysis ... #causes #potassium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - ... Differential Diagnosis ... Shift of extracellular ... Monitor potassium ... #Differential #Diagnosis
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... shift - Acidosis ... chemotherapy - Rhabdomyolysis ... acidosis) #Hyperkalemia ... #Causes #diagnosis
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
- Differential Diagnosis ... Loss of sodium/Potassium ... → Syncope • Signs ... - Hyperkalemia ... #differential #diagnosis
Propofol-Related Infusion Syndrome (PRIS)

Diagnosis is based on a constellation of clinical suspicion and biochemical signs including:
Syndrome (PRIS) Diagnosis ... and biochemical signs ... Metabolic acidosis • Rhabdomyolysis ... Hypertriglyceridemia • Hyperkalemia ... #Management #Pharmacology
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Hypokalemia is ... search for warning signs ... transcellular shifts ... depletion impedes potassium ... #Diagnosis #Hypokalemia
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... extracellular shift ... #Differential #Diagnosis ... #High #Potassium ... #Classification