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It is also known as expired air resuscitation (EAR), expired air ventilation (EAV), rescue breathing, or colloquially the kiss of life. It was introduced as a life-saving measure in 1950. [5] Mouth-to-mouth resuscitation is a part of most protocols for performing cardiopulmonary resuscitation (CPR) [6] [7] making it an essential skill for first ...
Fraction of inspired oxygen (F I O 2), correctly denoted with a capital I, [1] is the molar or volumetric fraction of oxygen in the inhaled gas. Medical patients experiencing difficulty breathing are provided with oxygen-enriched air, which means a higher-than-atmospheric F I O 2. Natural air includes 21% oxygen, which is equivalent to F I O 2 ...
CPR is an emergency procedure to preserve brain and heart function in a person who is in cardiac arrest. It involves chest compressions, artificial ventilation, and sometimes defibrillation. Learn more about CPR methods, effectiveness, consequences, and history.
Doing spirometry. Spirometry (meaning the measuring of breath) is the most common of the pulmonary function tests (PFTs). It measures lung function, specifically the amount (volume) and/or speed (flow) of air that can be inhaled and exhaled.
A resuscitator is a device that inflates the lungs of an unconscious person who is not breathing. Learn about the three basic types of resuscitators: manual, expired air and oxygen powered, and their evolution from 1907 to present.
A spirometer is a device for measuring the volume of air inspired and expired by the lungs. Learn about its history, types and uses, such as diagnosing lung diseases, measuring ventilation and assessing progress in treatment.
Tidal volume (symbol V T or TV) is the volume of air inspired and expired with each passive breath. [1] It is typically assumed that the volume of air inhaled is equal to the volume of air exhaled such as in the figure on the right. In a healthy, young human adult, tidal volume is approximately 500 ml per inspiration at rest or 7 ml/kg of body ...
Capnography is the monitoring of the concentration or partial pressure of carbon dioxide (CO2) in the respiratory gases. It is used for assessing airway integrity, confirming endotracheal tube placement, predicting outcomes and detecting complications in anesthesia, intensive care and emergency medicine.