10 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Renal tubular acidosis ... Transcellular shift ... Diagnosis #Algorithm #Causes ... #Classification
Considerations for Crystalloids - 0.9% NS vs LR vs Plasma-Lyte
 - Causes hyperkalemia?
 - Safe to
hyperkalemia? ... patients with hyperkalemia ... acidosis? ... with a metabolic acidosis ... #indications #comparison
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Renal tubular acidosis ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
) - Comparison ... 130 mEq/L • Potassium ... Is Dangerous in Hyperkalemia ... transcellular shift ... • Saline Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... Intracellular Shift ... - Metabolic acidosis ... differential #diagnosis #causes ... #potassium #high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... Intracellular Shift ... - Metabolic acidosis ... differential #diagnosis #causes ... #potassium #high
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... shift - Acidosis ... renal tubular acidosis ... ) #Hyperkalemia ... #Causes #diagnosis
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... Redistribution: Acidosis ... only if no clear cause ... Bicarb<22) - avoid NS ... Management #Treatment #potassium
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... Framework • Cellular Shift ... - Metabolic Acidosis ... Differential #Diagnosis #Causes ... #potassium #high
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... extracellular shift ... Acidosis B. ... Diagnosis #High #Potassium ... #Classification