ANESTHESIA

Capnography

Aug 12, 2019 by in ANESTHESIA Comments Off on Capnography

Chapter Outline OVERVIEW TERMS AND DEFINITIONS MEASUREMENT TECHNIQUES SYSTEMATIC INTERPRETATION OF TIME CAPNOGRAPHY Inspiratory Segment Expiratory Segment Phases and Angles Arterial and End-Tidal Carbon Dioxide Gradient CLINICAL APPLICATIONS Maintenance of…

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Blood Pressure Monitoring

Aug 12, 2019 by in ANESTHESIA Comments Off on Blood Pressure Monitoring

Chapter Outline OVERVIEW HISTORY OF BLOOD PRESSURE MEASUREMENT Definitions of Blood Pressure Instrumentation and Units of Measure Reference Points Manual (Riva-Rocci) Measurement Technique OSCILLOMETRIC BLOOD PRESSURE DEVICES INVASIVE BLOOD PRESSURE…

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Electrocardiographic Monitoring

Aug 12, 2019 by in ANESTHESIA Comments Off on Electrocardiographic Monitoring

Chapter Outline ELECTROCARDIOGRAPHY Normal Electrical Activity P Wave PR Interval QRS Complex ST Segment and T Wave Lead Systems Standard Limb and Precordial Leads Electrocardiogram Monitoring Systems Three-Electrode System Modified…

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Humidification and Filtration

Aug 12, 2019 by in ANESTHESIA Comments Off on Humidification and Filtration

Chapter Outline OVERVIEW PHYSICS OF HUMIDITY Measurement of Humidity Hair Hygrometer Wet and Dry Bulb Hygrometer Regnault’s Hygrometer Electric Hygrometer PHYSIOLOGY OF HUMIDIFICATION Humidification in the Airway Mucociliary Elevator Mucociliary…

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Waste Anesthetic Gases and Scavenging Systems

Aug 12, 2019 by in ANESTHESIA Comments Off on Waste Anesthetic Gases and Scavenging Systems

Chapter Outline TRACE CONCENTRATIONS OF ANESTHETIC GASES SOURCES OF ANESTHETIC GAS CONTAMINATION Adjustable Pressure-Limiting Valve High- and Intermediate-Pressure Systems of the Anesthesia Workstation Low-Pressure System of the Anesthesia Machine Anesthesia…

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Breathing Circuits

Aug 12, 2019 by in ANESTHESIA Comments Off on Breathing Circuits

Chapter Outline HISTORY OF DEVICE DEVELOPMENT CLASSIFICATIONS OF BREATHING CIRCUITS Chemical Absorption of Carbon Dioxide Dilution with Fresh Gas Use of Valves to Separate Exhaled Gases from Inhaled Gases Use…

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Medical Gases: Storage and Supply

Aug 12, 2019 by in ANESTHESIA Comments Off on Medical Gases: Storage and Supply

Chapter Outline OVERVIEW MEDICAL GAS CYLINDERS AND THEIR USE Oxygen Tanks Nitrous Oxide Tanks CHARACTERISTICS OF GAS CYLINDERS Size Color Coding Cylinder Markings Pressure Relief Valves Connectors GAS CYLINDER SAFETY…

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Anatomical Variants and Ultrasound Artifacts

Aug 1, 2019 by in ANESTHESIA Comments Off on Anatomical Variants and Ultrasound Artifacts

INTRODUCTION Print Section Listen Anatomical variants are those variations in normal anatomy that could be misinterpreted as pathological conditions. Many anatomical variants occur as remnants of embryological development and fetal…

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Understanding Ultrasound System Controls

Aug 1, 2019 by in ANESTHESIA Comments Off on Understanding Ultrasound System Controls

INTRODUCTION Print Section Listen It is crucial for clinicians performing transesophageal echocardiographic (TEE) examinations to understand how the controls on an ultrasound machine alter the display. Without this knowledge, it…

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Transesophageal Tomographic Views

Aug 1, 2019 by in ANESTHESIA Comments Off on Transesophageal Tomographic Views

GUIDELINES AND CLINICAL INDICATIONS FOR A COMPREHENSIVE TRANSESOPHAGEAL EXAMINATION Print Section Listen Transesophageal echocardiography (TEE) training and certification have become standardized with the use of recognized nomenclature and tomographic views.1…

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