11 Comparative assessment of ERA threshold techniques In order to apply the numerous ERA techniques appropriately, it is important to know their comparative merits in particular clinical situations. The clinical…
9 The slow vertex response (SVR) INTRODUCTION The slow vertex response (SVR), or V potential, arises from the cortical structures. Its main clinical application is in threshold estimation. It is…
19 Current developments in ERA In many areas electric response audiometry is an established and clinically useful tool. Its range of application is increasing into many different aspects. DEVELOPMENTS IN…
16 ERA in investigation of neurological disorders MULTIPLE SCLEROSIS Clinical problem The clinical diagnosis of multiple sclerosis is made on the evidence of two or more lesions in the CNS…
14 ERA in non-organic hearing loss (NOHL) CLINICAL PROBLEM A subject may exhibit deliberately false hearing thresholds or have an unconsciously raised threshold of response. Such subjects are categorized as…
1 Historical development of electric response audiometry (ERA) Spontaneous electrical activity from the scalp was first recorded by Berger in 1929, and this activity is now routinely recorded in the…
Chapter 5 Gastrointestinal System Outline Physiology of the Digestive System Esophagus Tracheoesophageal Fistula Esophagitis Ingestion of Corrosive Agents Esophageal Cancer Esophageal Diverticula Esophageal Varices Hiatal Hernia Achalasia Foreign Bodies Perforation…
Chapter 3 Respiratory System Outline Physiology of the Respiratory System Internal Devices Endotracheal Tube Central Venous Catheter Swan-Ganz Catheter Transvenous Cardiac Pacemaker Congenital/Hereditary Diseases Cystic Fibrosis Hyaline Membrane Disease Inflammatory…
Chapter 4 Skeletal System Outline Physiology of the Skeletal System Congenital/Hereditary Diseases of Bone Vertebral Anomalies Spina Bifida Osteopetrosis Osteogenesis Imperfecta Achondroplasia Congenital Hip Dysplasia (Dislocation) Inflammatory and Infectious Disorders…
Chapter 11 Reproductive System Outline Infectious Diseases of Both Genders Syphilis Gonorrhea Male Reproductive System Physiology of the Male Reproductive System Benign Prostatic Hyperplasia Carcinoma of the Prostate Gland Staging…
