11 results
Hyperkalemia - Differential Diagnosis Framework

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Intracellular Shift ... - Metabolic acidosis ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Hyperkalemia Management Algorithm
 • Treat the cause & optimize hemodynamics and ventilation
 • Reconsider treatment leadingto
• Treat the cause ... • Reconsider treatment ... Intracellular K+ ... Shift 3) K+ Excretion ... #potassium #high
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 ... urinary losses: • High ... - Metabolic acidosis ... #nephrology #low
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
bicarbonate if acidosis ... depletion • Consider K+ ... blocks, QRS axis shift ... #high #diagnosis ... management #algorithm #treatment
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... Respiratory Alkalosis, High ... Lactate, Low Potassium ... 4.5 mmol/L 4) K ... diagnosis #management #Treatment
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Saline (NS) - Comparison ... 130 mEq/L • Potassium ... trial • Minimal K ... transcellular shift ... densa receives high
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 ... hyperchloremic acidosis ... #potassium #nephrology
KDIGO Treatment algorithm for management of acute hyperkalemia in the emergency department
 • Place on cardiac
KDIGO Treatment ... bicarbonate if acidosis ... depletion • Consider K+ ... #potassium #high ... #nephrology #KDIGO
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... Framework • Cellular Shift ... - Metabolic Acidosis ... to Aldosterone: K ... #potassium #high