Approach to Lower Respiratory Flashcards

1
Q

Where does the neurovascular bundle of the rib run?

A

Runs along inferior margins of each rib

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2
Q

Where would you insert a chest tube in general to avoid neurovascular bundle?

A

Over superior margin of rib

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3
Q

Inspection?

A
  • Breathing rate
  • rhythm
  • Effort
  • Skin color
  • Nail clubbing
  • Pursed lip breathing
  • Accessory muscles
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4
Q

What is cheyne stokes breathing?

A
  • Tachypnea Gradual hyperpnea then hypopnea
  • Followed by periodic apnea
  • Seen with heart failure and hypoperfusion of the brain
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5
Q

What is Kussmaul breathing?

A
  • Abnormal respiratory pattern of deep rapid breathing
  • Seen in patients with DKA
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6
Q

Reasons for Kusmal breathing?

A
  • K: ketones
  • U: uremia
  • S: sepsis
  • M: methanol
  • A: aldehydes
  • (U)
  • L: lactic acidosis
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7
Q

What causes nail clubbing?

A
  • Congenital failure
  • Chronic hypoxia
  • ILD
  • Pulm fibrosis
  • CF
  • Lung absesses
  • Lung cancers
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8
Q

What is pectus carinatum?

A

Beaked chest

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9
Q

What are the accessory muscles of breathing?

A
  • Supraclavicular
    • scalene
    • SCM
  • Intercostal
  • Subcostal
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10
Q

What is purpose of pursed lipped breathing?

A
  • As they exhale they are trying to keep high pressure in their lungs to foce alveoli to stay open by resisting air low out
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11
Q

What is tripod postion?

A

Leaned slighlty forward hands on knees to allow for best position for gas exchange to occur

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12
Q

productive cough fever for 4 days, episodes of chills and sweating. Elderly acutely ill appearning man in mild respiratory distress. He has 4 word converstational dyspnea. Tactile fremitus is increased over right ant chest near midclavicualr line at y4 and over posterior chest at same level and side. Crackeles and rhonci are ausclultated over RML and RLL. Percussion reveals dullness. Dx?

A

RLL pneumonia

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13
Q

If you percuss a patient with a collapsed lung what would you hear?

A

Tympany

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14
Q

Percussion of pleural effusion sounds like?

A

low sounding solid percussion

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15
Q

What are transudates?

A
  • Fluid leaking from blood vessels
  • Low protein and cell content
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16
Q

What are exudates?

A
  • Fluid leaks from inflammation of pleura and lung
  • High protien content and can contain WBC and RBC
17
Q

What is empyema?

A
  • abscess in lung parenchyma
  • Reuires drainage
  • Can collect in the pleural space and cause pleural effusion
18
Q

What are considered normal breath sounds?

A
  • Bronchovesicular
  • Vesicular
  • Bronchial
  • Tracheal
19
Q

What are abnormal/adventitious sounds?

A
  • Stridor
  • Wheezes
    • rhonchi- low pitched wheezes
  • Crackles (rales)
20
Q

What is CTAB?

A

Clear to auscultaion bilaterally

21
Q

What can cause absent or decreased breath sounds?

A

Unilateral:

  • pneumothorax
  • Lung full of fluid

Bilateral:

  • extreme COPD
  • Asthma
22
Q

Common causes of stridor?

A
  • Croup
  • Epiglottitis
  • Upper airway foreign body
  • Anaphylaxis
23
Q

What can cause wheezing?

A
  • caused by rapid airflow through a narrowed bronchial airway
  • RAD
  • Asthma
  • COPD
24
Q

What are crackles and what causes it?

A
  • inspiratory sound
  • thought to be caused by small airay closed during expiration popping open during inspiration
  • Causeed by pneumonia CHF, Atelectasis pulm fibrosis, Asthma bronchiectasis, COPD
25
Q

What does pulse ox do?

A
  • measures peripheral arterial oxygen saturation
26
Q

What is end tidal CO2?

A
  • concentration of CO2 exhaled in air at end of respiration
  • measures ventilation
  • Normal PETCO2=40 mmHg
  • Normal PaCO2=40 mm Hg
27
Q

What does atelectasis mean? What is seen in patients with it?

A
  • Complete collapse of alveolar lung tissue affecting oxygen absorption
  • low o2
  • tachypnea
  • posturing tripod
  • accessory mm activation