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14 terms

Lower Respiratory TracCot

STUDY
PLAY
Alveoli
Grape-like structures or sacs where Gas Exchange takes place. End structure of the bronchial. Surrounded by a blood capillary. Thin walled.
Surfactant
Reduces the surface tension of the alveolus and prevents it from collapsing after each breath.
Alveoli
Give shape to the lungs. Where oxygen diffuses into the cardiovascular system.
Mediastinum
Contains the Heart. Good to know.
Lungs
The right contains three lobes; the left contains two lobes; Base lies in the diaphragm.
Medulla Oblongata and Pons
Responsible for the basic rhythm and depth of respiration.
Acidosis
Increased levels of Carbon Dioxide:. Carbon Dioxide in the blood is carbonic acid:
Stress and Anxiety
When dealing with patients with respiratory impairment or acute/chronic respiratory or cardiac conditions the nurse should also consider physical and emotional responses correlated; Inquire the patient about:
Signs and Symptoms of Hypoxia
Apprehension, anxiety, restlessness; decreased ability to concentrate; disorientation; increased fatigue; vertigo; increased rate and depth of respirations and then slow and shallow:.
Assessment: Objective Data
Assessment of the respiratory system begins anteriorly and posteriorly, noting adventitious sounds.
Crackles
Brief, not continuous; more common in inspiration; interrupted crackling or bubbling sounds sounds, hairs being rolled between fingers:. Fine, Medium, Coarse.
Sonorous Wheezes/Rhonchi
Deep, running sound that may be continuous; loud, low, coarse sound heard at any point of inspiration or expiration.
Sibilant Wheezes/Wheezes
High-pitched, musical, whistle-like sound during inspiration or expiration; sound may consist of several notes or one; may vary from one minute to the next.
Pleural Friction Rub
Dry, creaking, grating, low-pitched sound with a machine-like quality during both in- and expiration; Loudest over anterior chest.