35 results
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... is caused by excess ... potassium intake ... transcellular shifts ... dysfunction is common #Diagnosis
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... - Differential Diagnosis ... Excretion (IV potassium ... Transcellular Shift ... #Hyperkalemia
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential Diagnosis ... Transcellular Shift ... #Algorithm #causes ... #potassium #low
Causes of Hypokalemia

Hypokalemia results from abnormal losses, transcellular shifts, or insufficient intake (Table 1).6–8 Abnormal losses
Causes of Hypokalemia ... transcellular shifts ... significantly lower potassium ... hospitalized patients #Diagnosis ... #Causes
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach to Hypokalemia ... route = severe hypokalemia ... NPO, or profound shock ... /hr for severe hypokalemia ... #Management #CriticalCare
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC shift ... #differential #diagnosis ... pathophysiology #pharmacology ... #potassium #medications
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Dialysis Serum potassium ... blocks, QRS axis shift ... #potassium #high ... #diagnosis #management
Hyperkalemia Management Algorithm
 • Treat the cause & optimize hemodynamics and ventilation
 • Reconsider treatment leadingto
Hyperkalemia Management ... • Treat the cause ... and parenteral potassium ... Intracellular K+ Shift ... #treatment #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Recent IV potassium ... Intracellular Shift ... #differential #diagnosis ... #causes #potassium
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
in blood flow caused ... Depends on the cause ... Characterized by hypovolemia ... #Comparison #criticalcare ... #diagnosis #classification