Traditional textbooks convey knowledge. It is the goal of this text to convey not only essential knowledge but also the collected wisdom of its many highly regarded contributors.
- First Aid for the USMLE Step 2 CK (2019), 10th Edition Free
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To achieve the goal of conveying not only knowledge but wisdom, each book in this series is built on a structural framework that was well received by critics and readers alike in previous editions. Our text is divided into three sections:
• Tools for diagnosis
• Diseases and disorders
• Common problems
Also included to facilitate a physician’s use of this book are:
Nosologic diagnosis tables,
• “Pearls and Perils” boxes,
• “Consider Consultation When…” boxes,
• Selected annotated bibliographies,
• A complete bibliography,
• And (new in this edition) Key Clinical Questions.
The Nosologic Diagnosis tables are based on a discriminator model to promote clearer understanding and are superior to a criterion-based model and others that lack similar specificity. (See the Appendix for complete description of how this system was developed.)
Whoever having undertaken to speak or write hath first laid for themselves some [basis] to their argument such as hot or cold or moist or dry or whatever else they choose, thus reducing their subject within a narrow compass.
As Hippocrates has suggested, structure is the key to learning. Unless there is a structure onto which knowledge can be built, confusion and disorganization are the inevitable consequences.
Classification systems induce orderliness in thinking and enhance our ability to communicate effectively. A review of the most enduring hierarchical classification systems, particularly that of Linnaeus (that is, phyla, genera, species), makes clear the value of grouping according to discriminating features, as well as the value of simplicity, expandability, and dynamism.
The goal, whatever the classification system, is to seek the most powerful discriminating features that will produce the greatest diagnostic clarity. Discriminating features should avoid crossing domains. Much of the confusion that arises in diagnosis may be the result of the clinician who unwittingly crosses the anatomic, pathologic, pathophysiologic, phenomenologic, and etiologic classification domains used in medicine (for example, the inclusion of anatomically oriented “temporal lobe seizures” in a phenomenologically based classification system that includes complex partial seizures). Some conditions, such as brain tumors, are classified according to their histopathology and lend themselves well to this classification system. Others, such as headaches and movement disorders, are classified phenomenologically and are therefore much less easily classified. In other cases, discriminators must encompass inclusionary as well as exclusionary features. At times, we can only use a criterion-based system or construct tables to compare features
Arbitrarily, we label as consistent those features that occur more than 75% of the time; features are considered variable when they occur less than 75% of the time. The diagnostic tables should be viewed, therefore, only as a beginning in the extremely difficult effort to make diagnosis more precise and biologically based. How well this book accomplishes the goals of identifying the most powerful discrimination features for maximum diagnostic clarity is limited by the current state of the art in child and adolescent neurology. In some areas, several features, when clustered together, serve to discriminate.
This text is designed to be pithy, not exhaustive, many other books of that ilk are already available. Each text in this series reflects appropriate stylistic differences among content editors. However, each is built upon the same structural framework; hence the value of this text to the users.
Chapter 16 on “Order and Disorders of Nervous System Development” is particularly noteworthy because of its unique treatment of this very important and timely subject matter.
Download Medical Books: Clinical Pediatric Neurology 2009.Guide Line For Intervention Neurology Handbook of Pediatric