LETTERS TO THE EDITOR
7. Spencer FA, Gore JM, Lessard D et al. Patient outcomes after deep vein thrombosis and pulmonary embolism: The Worcester Venous Thromboembolism Study. Arch Intern Med 2008;168:425–430. 8. Park B, Messina L, Dargon P et al. Recent trends in clinical outcomes and resource utilization for pulmonary embolism in the United States: Findings from the nationwide inpatient sample. Chest 2009;136:983–990. 9. Wei R, Anderson R, Curtin L et al. U.S. decennial life tables for 1999– 2001: United States life tables. Natl Vital Stat Rep 2008;57:1–36. 10. Monreal M, Lopez-Jimenez L. Pulmonary embolism in patients over 90 years of age. Curr Opin Pulm Med 2010;16:432–443.
CASE REPORT UNVEILING A PRESCRIBING CASCADE IN AN OLDER MAN To the Editor: A 70-year-old man was admitted to the intensive care unit with a subdural hemorrhage and bilateral frontal lobe contusions sustained after an unwitnessed fall in his home. Arterial blood gas measurement revealed anion gap metabolic acidosis with a serum salicylate level of 4.59 mmol/L (normal range