10 results
Hyperkalemia - Differential Diagnosis Framework

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Intracellular Shift ... - Metabolic acidosis ... diagnosis #causes ... #potassium #high
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... Framework • Cellular Shift ... - Metabolic Acidosis ... to Aldosterone: K ... #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 ... diagnosis #Algorithm #differential
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
bicarbonate if acidosis ... depletion • Consider K+ ... and ECG changes ... blocks, QRS axis shift ... #potassium #high
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... - Differential ... Gap Metabolic Acidosis ... • Cell Lysis (e.g ... Decreased Na+-K+
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... only if no clear cause ... Elimination (see Table ... Terbutaline 7 µg/kg ... Management #Treatment #potassium
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... trial • Minimal K ... Is Dangerous in Hyperkalemia ... transcellular shift ... densa receives high
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Loss of sodium/Potassium ... High body temperatures ... Hypocalcemia - Hyperkalemia ... #stroke #heatstroke
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... extracellular shift ... Acidosis B. ... #Differential # ... Diagnosis #High