Features

Cover Article

Clostridium difficile: An Old Player With a New Hand in the Game

James D. Morris, MD, and Fred A. Lopez, MD, FACP

Clinical Article

Multidrug-Resistant Gram-Negative Bacteria: Trends, Risk Factors, and Treatments

Lee S. Engel, MD, PhD

Clinical Article

Evaluation and Management of Headache in the Pediatric Patient

Erin Cummings, MD, Linnea Wittick, MD, and Richard Cantor, MD, FACEP/FAAP

Editorial

A Bad Influence

Neal Flomenbaum, MD, Editor-in-Chief

Departments

Emergency Ultrasound

The Value of Echocardiography in the RUSH Protocol

Phillips Perera, MD, RDMS, FACEP, Thomas Mailhot, MD, RDMS, and Diku Mandavia, MD, FACEP, FRCPC

Guest Editorial

Infectious Diseases in the 21st Century: No End in Sight

Fred A. Lopez, MD, FACP

Quizzes

Emergency Imaging

Sudden Onset of Pleuritic Chest Pain

Keith D. Hentel, MD

Derm Dilemma

Acute Hair Loss on Scalp

Mark Bechtel, MD, and Matthew Zirwas, MD

Diagnosis at a Glance

Scalp Inflammation and Hair Loss

Ben Robinson, MD, and Stephen M. Schleicher, MD