Foreword.- Preface.- Tloc/Collapse Pathophysiologic And Epidemiologic Features.- Syncope: Definition and Classification- Contrasting American and European Guideline definitions.- Physiology of Maintaining Healthy Consciousness: Role of autonomic nervous system.- Prognosis of TLOC/Collapse Across the Diagnostic Spectrum.- The Burden of TLOC/Collapse: Economic Impact.- Basic Clinical Features.- Determining the Cause of TLOC/Collapse: The Initial Evaluation.- Seizures vs Syncope: Distinguishing Features for the Clinic.- The Reflex Syncopes: The Common and Less Common Variants.- Orthostatic Hypotension Variants, POTs, and Less well Defined Autonomic Dysfunction.- Bradycardias and Tachycardias: Acquired and Inheritable.- Psychogenic Pseudosyncope and Approaches to Treatment.- Basic Diagnostic Strategies.- TLOC/Collapse Risk Assessment: Who Needs to be Hospitalized and Who can be evaluated as Outpatient.- Ambulatory ECG Monitoring in TLOC/Collapse: Current status andUtility in USA and Europe.- Carotid sinus syndrome: Pathophysiology and diagnosis.- Electrophysiological Testing: Appropriate Indications in TLOC/Collapse.- Chp 15 The Syncope Evaluation Unit: Essential Features, Current Status.- Selected Testing: When And How.- The Autonomic Testing Laboratory for studying Syncope/Collapse: Studies and Their Interpretation.- Utility of Video-EEG for Diagnosing and Understanding TLOC/Collapse.- Role of Head and Cardiac Imaging, and Cardiac Stress Testing for Syncope/Collapse.- Selected Treatment Concerns.- Update on Cardiac Pacing in Reflex Syncope.- Indications for pacing in patients with unexplained syncope and bifascicular block.- ICD indications in patients with unexplained syncope.- Drugs in Vasovagal Syncope: Current Status.- Ictal Asystole, Relation to VVS and Role of Cardiac Pacing.- Driving and Flying: US and European Recommendations.