Human Granulocytic Anaplasmosis, Human Monocytic Ehrlichiosis, and Ehrlichia ewingii Ehrlichiosis James W. Myers Dima Youssef INTRODUCTION Anaplasma phagocytophilum (A. phagocytohilum), Ehrlichia chaffeensis (E. chaffeensis), and Ehrlichia ewingii (E. ewingii) are…
Rocky Mountain Spotted Fever Dima Youssef James W. Myers INTRODUCTION Rickettsia rickettsii affects the endothelial cells of small vessels. This infectious vasculitis causes microvascular injury and subsequent fluid leakage. Gram-negative…
Infectious Diarrhea Jonathan P. Moorman James W. Myers Clinically, diarrhea is defined by the passage of three or more watery stools, or one or more bloody stools, in 24 hours….
Fever in Returning Travelers Paras Patel James W. Myers INTRODUCTION When patients are being evaluated, it is important to obtain a detailed history, perform a focused clinical examination, and obtain…
Prophylaxis of Infection in Travelers James W. Myers Paras Patel INTRODUCTION If possible, the initial consultation about travel abroad should occur at least 6 weeks to 2 months before the…
Prevention and Treatment of Herpes Zoster and Postherpetic Neuralgia Lamis Ibrahim James W. Myers INTRODUCTION Varicella-zoster virus (VZV) causes chicken pox as primary infection, and then it resides in sensory…
Encephalitis Lamis Ibrahim James W. Myers INTRODUCTION Encephalitis is an inflammatory process of the brain in association with clinical evidence of neurologic dysfunction. Viruses are the most common cause of…
Acute Infections of the Central Nervous System: Meningitis and Brain Abscess Jonathan P. Moorman Central nervous system dysfunction is common and characterized by a broad differential diagnosis. Rapid diagnosis and…
Cerebrospinal Fluid Analysis James W. Myers Sunanda Mangraj INTRODUCTION Cerebrospinal fluid (CSF) analysis is a very important diagnostic tool in evaluation of central nervous system (CNS) infections and other conditions….
Other STDs Lamis Ibrahim James W. Myers DONOVANOSIS Introduction Also known as Granuloma inguinale. Causative agent is Klebsiella granulomatis (or Calymmatobacterium granulomatis), which is a gram-negative, pleomorphic bacterium. Large mononuclear…
