In patients with subacute presentations, fever is typically low-grade and rarely exceeds 39.4°C (103°F); in contrast, temperatures of 39.4°–40°C (103°–104°F) are often noted in acute endocarditis. Fever may be blunted…
140 Disorders of Platelets and Vessel Wall Barbara A. Konkle Hemostasis is a dynamic process in which the platelet and the blood vessel wall play key roles. Platelets become…
TABLE 298-10 USUAL INTRAVENOUS DOSES OF ANTIHYPERTENSIVE AGENTS USED IN HYPERTENSIVE EMERGENCIESa Malignant hypertension is a syndrome associated with an abrupt increase of blood pressure in a patient with underlying…
FIGURE 164-3 Coronal fluid-attenuated inversion recovery (FLAIR) magnetic resonance image from a patient with herpes simplex encephalitis. Note the area of increased signal in the right temporal lobe (left side of…
452 Amyotrophic Lateral Sclerosis and Other Motor Neuron Diseases Robert H. Brown, Jr. AMYOTROPHIC LATERAL SCLEROSIS Amyotrophic lateral sclerosis (ALS) is the most common form of progressive motor neuron…
MITRAL REGURGITATION ETIOLOGY MR may result from an abnormality or disease process that affects any one or more of the five functional components of the mitral valve apparatus (leaflets, annulus,…
Atypical presentation and pain patterns are common, especially in the very old or the very young. Diagnosing appendicitis in children can be especially challenging because they tend to respond so…
Part 9: Terrorism and Clinical Medicine 261e Microbial Bioterrorism H. Clifford Lane, Anthony S. Fauci Descriptions of the use of microbial pathogens as potential weapons of war or terrorism date…
UNSTABLE HEMOGLOBINS Amino acid substitutions that reduce solubility or increase susceptibility to oxidation result in unstable hemoglobins that precipitate, forming inclusion bodies injurious to the RBC membrane. Representative mutations are…
462e Muscular Dystrophies and Other Muscle Diseases Anthony A. Amato, Robert H. Brown, Jr. Skeletal muscle diseases, or myopathies, are disorders with structural changes or functional impairment of muscle….
