EmtRespiratorySystem

EmtRespiratorySystem - The Respiratory System Emergency...

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Temple College EMS Program 1 The Respiratory System Emergency Medical Technician - Basic
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Temple College EMS Program 2 Respiratory System Purpose Takes in oxygen Disposes of wastes Carbon dioxide Excess water O 2 + Glucose CO 2 + H 2 O The Cell
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Temple College EMS Program 3 Respiratory System Anatomy Nasopharynx Oropharynx Epiglottis Larynx Trachea Bronchi Bronchioles Carina
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Temple College EMS Program 4 Respiratory System Anatomy Lung Right lung 3 lobes Left lung 2 lobes
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Temple College EMS Program 5 Respiratory System Anatomy Bronchioles Smallest airways Walls consist entirely of smooth muscle (no cartilage present) Constriction increases resistance to airflow Dilation reduces resistance to airflow
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Temple College EMS Program 6 Respiratory System Anatomy Alveoli Air sacs Site of oxygen and carbon dioxide exchange with blood
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Temple College EMS Program 7 Respiratory System Anatomy
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Temple College EMS Program 8 Respiratory System Anatomy Diaphragm
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Temple College EMS Program 9 Respiratory System Anatomy Pleura Double-walled membrane Visceral layer covers lung Parietal layer lines inside of chest wall, diaphragm
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Temple College EMS Program 10 Respiratory System Physiology Inspiration Active process Chest cavity expands Intrathoracic pressure falls Air flows in until pressure equalizes Expiration Passive process Chest cavity size decreases Intrathoracic pressure rises Air flows out until pressure equalizes
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Temple College EMS Program 11 Respiratory System Physiology Automatic Function • Primary drive: increase in arterial CO 2 Secondary (hypoxic) drive: decrease in arterial O 2 Normally we breathe to remove CO 2 from the body, NOT to get oxygen in
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Temple College EMS Program 12 Respiratory Pathophysiology Airway (Obstruction) Tongue Foreign body airway obstruction Anaphylaxis/angioedema Upper airway burn Maxillofacial/laryngeal/ tracheobronchial trauma Epiglottitis Croup Aspiration Asthma Chronic Obstructive Airway Disease Emphysema Chronic bronchitis
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Temple College EMS Program 13 Respiratory Pathophysiology Gas Exchange Surface (Blood Flow or Gas Diffusion) Pulmonary Edema Left-sided heart failure Toxic inhalations Near drowning Pneumonia Pulmonary Embolism Blood clots Amniotic fluid Fat embolism
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Temple College EMS Program 14 Respiratory Pathophysiology Thoracic Bellows (Ventilation) Chest Trauma
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This note was uploaded on 12/21/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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EmtRespiratorySystem - The Respiratory System Emergency...

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