Chapter 13 - Respiratory Emergencies Flashcards
What is Dyspnea?
Difficult or labored breathing accompanied by feeling short of breath.
What is diffusion?
A passive process where a substance move from an area of high concentration to one of lower concentration.
In terms of percentage, what is the chemical make-up of air?
78% nitrogen
21% oxygen
1% other gasses
What effect does carbon dioxide have on the blood?
Lowers pH
What is the primary muscle of respiration?
Diaphragm
What are he main accessory muscles of respiration?
Pectoralis major and minor intercostal muscles SCM (sternocleidomastoid) Scalenes Trapezius Abdominal muscles
In what structure does the oxygen/CO2 exchange occur?
Alveoli
What is the pleural space?
The “potential” space between the plera and the chest wall.
What is the pleura?
The thin membrane covering the outside of the lungs and inside of the chest wall.
Define airway patency.
A condition in which an airway is open and unobstructed.
What does COPD stand for?
Chronic Obstructive Pulmonary Disease
S/S of COPD?
Patient can not exhale adequate air
Increased mucus production
Persistent Productive Cough
S/S of Asthma?
Sudden, recurrent bronchiolar constriction
Increased mucous production
What does Hyperventilation cause to occur in the blood?
Low carbon dioxide levels.
What is DVT?
Deep venous thrombosis which are clots that form in the legs or pelvis and travel through the heart and into the pulmonary circulation.