Flashcards in The Chest Deck (80)
What generates the power to breathe?
The diaphragm and the external intercostal muscles
At what level does the trachea bifurcates?
At the level of the fourth or fifth thoracic vertebrae
How does the right bronchus differ from the left?
The right is shorter, wider and straighter than the left bronchus
What lobes are present in the right lung?
Upper, Middle, Lower
What lobes are present in the left lung?
Upper and Lower only
What is an other name for the sternomanubrial angle?
Angle of Louis
Where is the Angle of Louis located?
Approximately 5cm below the suprasternal notch lateral to the second rib
What landmark is associated with the inferior wing of the scapula?
What landmark is associated with the most prominent cervical spinous process?
What ribs articulate with the sternum?
Only the first seven ribs
Where do ribs eight, nine and ten articulate?
With the cartilage above
What is another name for the eleventh and twelfth ribs?
Floating ribs, have free anterior portions
What fissure divides the upper and lower lobes in both the right and left lung?
What are the borders of the oblique fissure?
Begins on the anterior chest at the six rib at the midclavicular line and extends laterally upward to the fifth rib in the midaxillary line ending at the posterior chest at the spinous process T3
What is the fissure that separates the right upper and middle lobes?
The horizontal fissure
What are the borders of the horizontal fissure?
It extends from the fourth rib at the sternal border to the fifth rib at the midaxillary line
How far up do the lungs extend?
Approximately 3-4cm above the medial end of the clavicles
Where are the inferior margins of the lungs?
Extend to the sixth rib at the midclavicular line to the eight rib at the midaxillary line and between T9 and T12 posteriorly
What causes the right hemidiaphragm higher than the left?
What is the most common symptom of lung disease?
Describe paroxymal nocturnal dyspnea?
Sudden onset of SOB at night, the patient is seized with sudden intense strangulation sensation
What disease is strongly correlated with paroxymal nocturnal dyspnea?
Difficulty breathing while lying flat
How is orthopnea relieved?
Use of multiple pillows to prop the patients head
Difficulty breathing while sitting up
What relieves platypnea?
The recumbent position
Condition in which patients are more comfortable breathing while lying on one side
What is abnormally high pitched noise hear predominately on expiration?
What two situations can cause a decrease in the amount of wheezing hear on auscultation?
Either an opening of the airway or a progressive closing off of the air passage