15 results
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Burns • Trauma/Crush ... lysis syndrome - Rhabdomyolysis ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... extracellular K+ ... Hemolysis • Rhabdomyolysis ... blockers - MCW Nephrology ... Differential #Diagnosis #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Burns • Trauma/Crush ... lysis syndrome - Rhabdomyolysis ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... measuring urinary K ... loss • Renal K ... #nephrology #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... #differential #potassium ... #nephrology #low
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Rhabdomyolysis - ... Immobilization, Crush ... Monitor potassium ... See updated Rhabdomyolysis ... Management #Summary #causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Immobilization - Crush ... Monitor potassium ... Diagnosis #Management #causes ... #treatment #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... Lysis (TLS, rhabdo/crush ... only if no clear cause ... Management #Treatment #potassium ... #nephrology #K
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Loss of sodium/Potassium ... fatigue Heat Rash ... Metabolic acidosis - Rhabdomyolysis ... Liver injury, Rhabdomyolysis ... differential #diagnosis #causes
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... load - Potassium ... chemotherapy - Rhabdomyolysis ... /crush injury* ... #Hyperkalemia #Causes