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67 Cards in this Set

  • Front
  • Back
What characterizes obstructive pulmonary flow?
Decreased expiratory flow from increased airway resistance, causing pulmonary inflation.
What are the five obstructive pulmonary diseases?
Emphysema
Chronic Bronchitis
Asthma
Bronchiectasis
Cystic fibrosis
What characterizes restrictive lung diseases?
Decreased inspiratory flow from decreased lung compliance. Lungs are difficult to fill with air.
What is the single restrictive lung disease she talked about?
Pulmonary fibrosis.
What characterizes consolidative lung diseases?
Replacement of alveolar air with fluid/collapsed alveoli. Decreases air/fluid ratio of lung tissue.
Transmits higher frequency sounds.
Name three common causes for lung consolidation.
Alveolar pneumonia with pus and cellular debris.
Left ventricular failure with leaking plasma.
Atelectasis.
What characterizes atelectasis?
Segment of lung collapses. Water density is increased, air/water ratio decreases.
During atelectasis, do the visceral and parietal pleura separate from each other?
Nope.
What causes atelectasis?
BLockage of air from entering alveoli. Air reabsorbs into vasculature and segments of the lung collapse.
What characterizes pneumothorax?
Air pressure enters pleural space, lung collapses, chest wall springs outwards.
Do the visceral and parietal layers of the pleura separate during pneumothorax?
Yes.
Describe a tension pneumothorax.
Air drawn into the pleural space cannot escape--pressure becomes higher.
Rapidly grows fatal as great vessels, heart, and opposite lung are compressed.
Obstructive shock.
Will the trachea move to the same side, or the opposite side, as the lung affected by tension pneumothorax?
Opposite side.
Describe pleural effusion.
Accumulation of fluid in pleural space. This fluid moves toward gravity-dependent regions and compresses underlying lungs.
In pleural effusion, the fluid that accumulates can either be protein poor, or protein rich. What diseases do these characterize, respectively?
Protein poor--congestive heart failure.
Protein rich--cancer.
Which side is the trachea pulled to in atelectasis?
To the affected side.
Which side is the trachea pulled to in pleural effusion?
Away from the affected side.
Name the three major signs to INQUIRE ABOUT in a pulmonary history.
Dyspnea
Cough
Pleuritic chest pain
Dyspnea from chronic lung diseases develops gradually. Name three diseases in which this is the case.
Emphysema, Obstrucitve bronchitis, pulmonary fibrosis.
Dyspnea from acute lung dieases develops quickly, rapidly worsens. Name five conditions in which this is the case.
Pneumonia, pulmonary embolism, pneumothorax, aspiration, pulmonary edema.
What sort of nerves mediate the cough reflex, and what do they travel within?
Afferent and efferent nerves within the vagus.
Define acute cough, and name examples.
Lasts less than 3 weeks.
Includes viral/bacterial infections, pneumonia, aspiration, pulmonary edema, PE.
Define chronic cough, name examples.
Lasts more than 3 weeks.
Tobacco-related bronchitis (smokers' cough), allergic postnasal drip, asthma.
Can be caused by meds.
What causes clear sputum?
Inhaled irritants.
What causes purulent sputum?
Infectious bronchitis, pneumonia.
What causes putrid sputum?
Lung abscesses.
What causes rusty sputum?
Blood in the lung.
Define scant hemoptysis.
Blood streaking the sputum.
Define gross hemoptysis.
More blood than streaking hemoptysis, but less than 600 ml.
Define massive hemoptysis.
Over 600 mls of blood in a 24 hour period.
What are the most common causes of hemoptysis?
Acute bronchitis, or other disorders involving airways, vasculature, or lung parenchyma. WHich is a supremely vague answer. Can also be caused by eroding aortic aneurisms in the arch.
Describe pleuritic pain. What differentiates it from an MI?
It is sharp or dull, and increases in intensoty with deep breathing, coughing, movement (unlike MI). It is localized but may radiate.
What is the most common cause of chest pain?
Costrochondritis.
Name three non-thoracic findings that may indicate lung disease.
Clubbing, Periosteal inflammation in the distal shaft of the long bones, and hypertrophic osteoarthropathy (HOA).
Most clubbing results from which two types of diseases?
Neoplastic/inflammatory lung disease. Ugh, such a vague question.
Tachyapnea in hospitalized patients is a bad prognostic factor and may indicate:
The presence of underlying cardiopulmonary disease--may portend imminent cardiopulmonary arrest.
Tachyapnea may be the first physical indication of:
Pneumonia, heart failure.
Bradypnea should prompt an evaluation for:
Hypothyroidism.
Chest ratio of anterioposterior diameter to lateral diameter is usually:
0.70 to 0.75, increasing to 0.90 in the elderly.
Name three curvatures of the spine that may inhibit breathing.
Kyphoscoliosis, pectus excavatum, pectus carinatum.
Describe flail chest.
One/both sides of chest move paradoxically inward during inspiration. Develops following multiple rib fractures.
Describe respiratory/abdominal paradox.
Retraction of the abdominal wall during inspiration--indicates bilateral diaphragmatic weakness/paralysis.
Very sensitive for predicting respiratory failure.
Precedes hypoxemia and CO2 retention.
What are the four steps to a pulmonary physical?
Inspection, palpitation, percussion, ausculatation.
Does tenderness upon palpation indicate coronary artery disease as a diagnosis?
No.
In diseases such as chronic obstructive lung disease, restrictive lung diseases, pneumothorax, and atelectasis, will thoracic expansion increase or decrease?
Decrease.
What expansive chest measurement is considered abnormal? What does it indicate disease-wise?
Anything less than 1 inch is abnormal. It is consistant with emphysema and/or restrictive lung disease.
Describe a vocal tactile fremitus (VTF)
Sound transmitted from teh larynx, causes a thrill on the suface of the chest that can be detected on palpation.
Asymmetric VTF is abnormal--describe the one exception and where it is located.
VTF over the right upper lobe is often great in intensity, because the trachea is closer to the apex of the right lung than the left.
What generally causes decreased VTF; a greater air/water ratio, or a lesser air/water ratio?
Greater air/water ratio.
Pleural effusion, Pneumothorax, obesity do what to VTF intensity?
Decrease it.
Airway obstruction does what to VTF?
Decreases it.
Airway obstruction by mucous does what to VTF?
Decreases intensity.
Emphysema decrease VTF by doing what to the air/water ratio?
Increases air/water ratio, which decreases VTF.
When the air/water ratio goes down, VTF intensity...
Increases
Name several causes of lung consolidation.
Alveolar edema, alveolar pneumonia, alveolar hemorrhage, alveolar fibrosis.
Lung consolidation (barring atelectasis) causes VTF intensity to...
Increase.
Trachea will move towards the affected side in these diseases:
Atelectasis, tumors, and I THINK consolidation diseases.
Trachea will move away from the affected side in these diseases:
Pneumothorax, pleural effusion
Percussion with the highest air/water ratio--heard over stomach and pneumothorax.
Tympany
Hyperresonance has a high air/water ratio. Where is it heard normally, and in what diseases abnormally?
Normally at the end of a full, held breath.
Present bilaterally with emphysema and uniliaterally with a single lobe pneumothorax.
What low pitched note is heard over normal lungs during quiet breathing?
Resonance.
This note is produced over a solid organ. Low air/fluid ratio.
What diseases produce it?
Dullness. Present over consolidated areas, medium pleural effusions, widespread pulmonary fibrosis, and unilaterally in pneumonia.
Flatness has the lowest air/fluid ratio and is normally heard over thigh muscle. Where and how is it detected in diseased patients?
Unilaterally, it is present over large pleural effusions, which compress underlying lung parenchyma and causing atelectasis.
Define diaphragmatic excursion.
It is the distance of diaphragm movement between rounds of normal inspiration and expiration.
Which hemi-diaphragm normally percusses 1-2 cm higher?
The right side.
Where is Ewart's sign ascertained, and what does it indicate?
It is dullness at the tip of the left scapula, and it points to a massive pericardial effusion.
Where is Kronig's isthmus, and what does it sound like if percussed?
It is where tank top straps run, and it should sound hyperressonant.
Dullness points to consolidation or pleural effusion in apex=TB.