Electrolyte Abnormalities
Hyponatremia (jpg) – Diagnostic tree for evaluating hyponatremia
Hypokalemia (gif) – Diagnostic tree for evaluating hypokalemia

pH Balance
How to Interpret an ABG (jpg) – This fantastic image summarizes the interpretation of the ABG, including assessment of compensation and corrections for electrolyte levels contributing to the calculation of the anion gap

Procedure Notes
Critical Care Procedure Notes (web site) – Intubation / A-line / IJ Procedure notes

Reference Bookshelf
Surviving Sepsis Campaign Guidelines (web site) – Guidelines for Initial Resuscitation, Hemodynamic Support, and Special Pediatric Considerations for patients with sepsis
Critical Care Medicine Tutorials (web site) – Web site developed by Pat Neligan for U Penn residents during their ICU rotation. Summarizes approaches to diagnosis and treatment of respiratory failure, shock, renal failure, and sepsis.