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Clinical diagnostics > respiratory system > Flashcards

respiratory system Flashcards

1
Q

Respiratory tract steps of examination

A
  1. nose and paranasal sinuses
  2. coughing
  3. larynx and pharynx
  4. trachea 5. thorax
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2
Q

Thorax methods of examination

A
  • inspection
  • palpation
  • auscultation
  • percussion
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3
Q

Additional thorax examinations

A

-X-ray
-ultrasonography
-endoscopy
-bronchial fluid sample (BAL)
-via endoscope or transtracheal wash -bronchial fluid analysis
(quality, cytological, bacter., mycological, virol. and parasitol. examination)
-thoracocentesis, biopsy
-CT, MR, scintigraphy -thoracotomy
-lung function testing
-blood count, acid-base analysis

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4
Q

Chest inspection

A

-skin
-size,
shape -bilateral symmetry -local deformities

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5
Q

Respiratory movements

A

a) frequency
b) rhythm
c) type
d) depth

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6
Q

FREQUENCY resp.mvmt

A

30/min

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7
Q

tachypnea Normal

A 
under movement, 
excitement, 
work,
 high temperature, 
obesity,
pregnancy
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8
Q

tachypnea Abnormal

A

fever,
hypoxia,
hypercapnia,
pain in respiratory organs

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9
Q

bradypnea

A 
Always Abnormal 
CNS diseases,
 barbiturate toxicosis,
 shock, 
agony
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10
Q

respiratory RHYTHM

Normally

A

Periodic rhythmical inspiration and

expiration, inspiration is a little bit longer

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11
Q

Held inspiration

A
  • narrowed upper airway’s

- higher abdominal pressure (pregnancy, ascites, meteorism)

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12
Q

Held expiration

A
  • decreased lung elasticity

- microbronchitis

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13
Q

Shorter inspiration or expiration

A

-inhibition about pain

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14
Q

Asymmetric breathing

A
  • one main bronchus obstruction

- pain in one chest

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15
Q

Intermittent inspiration

A
  • normally during excitement, long exhausting work

- abnormally:at painy chest

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16
Q

resp. mvmt TYPE

Normal:

A

Dogs Cats horses : costoabdominal

Ru: abdominal

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17
Q

resp. mvmt TYPE

Abnormal : Costal respiration

A
  • the function of the diaphragm is lost (abdominal pain caused by inflammation)
  • increased abdominal pressure, (pregnancy, meteorism, ascites)
  • narrowed upper airways, compression of the lung
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18
Q

resp. mvmt TYPE

Abnormal :Abdominal respiration

A

painy chest diseases and paralysis of intercostal muscles

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19
Q

resp.mvmt DEPTH

Normal:

A

medium deep

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20
Q

resp.mvmt DEPTH

Abnormal :Shallow (superficial) respiration

A
  • cases of severe dyspnea

- painy diaphragm and chest diseases -respiratory centre damage

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21
Q

resp.mvmt DEPTH

Abnormal : -Deep respiration

A
  • after fast movement
  • at hypoxia
  • may the characteristic sign of dyspnea
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22
Q

Dyspnea

A

The dyspnea caused by difficulties of respiration (compression, obstruction of the air passages, decreased lung compliance). During resting or better at works the muscles working in respiration seem to do their work forcedly

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23
Q

Types of dyspnea

A
  1. Inspiratory dyspnea
  2. Expiratory dyspnea
  3. Mixed dyspnea
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24
Q

INSPIRATORY DYSPNEA Caused by

A 
-narrowed upper airways (stridor)
(laryngeal edema, laryngeal paralysis, stenotic nares, etc)
-pneumothorax
 -pleural effusions 
-diffuse pneumonia
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25
Q

INSPIRATORY DYSPNEA signs

A 
(prolonged and labored inspiration)
Inspiratory phase is longer,
 extension of the head and neck, 
nostril dilatation, 
labial respiration, 
spreading of the scapules,
exaggerated intercostal activity, 
slack or sunken flanks and sagging belly
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26
Q

EXPIRATORY DYSPNEA Caused by

A
  • compression or obstruction of lower air passages
  • microbronchitis
  • (pulmonary emphysema)
  • fibrous pleuritis
  • rarely neoplasms in larynx and pharynx
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27
Q

EXPIRATORY DYSPNEA signs

A

(prolonged and labored exspiration)
Expiratory phase is longer,
the work of abdominal muscles is more severe,
extension of the head and neck,
thorax very fasten collapsed during expiration.
Expiratory dyspnea is abdominal,
duplicate or strongly held “heave line”

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28
Q

mixed dyspnea caused by

A
  • decreased compliance
  • pulmonary edema
  • pulmonary emphysema
  • neoplasma
  • compressed diaphragm
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29
Q

mixed dyspnea signs

A

Forced inspiration and expiration

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30
Q

normal respiration:

A

both the abdomen and chest move in and out together, allowing maximum expansion of the lungs

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31
Q

Paradoxical respiration:

A

Chest movement is restricted, not able to expand properly

– The intercostal muscles may collapse inwards with inspiration as they fatigue,
and as greater negative pressures are created within the
thoracic cavity;

• Abdominal wall move in the opposite direction to that expected

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32
Q

Paradoxical respiration: reasons

A

pleuralfluid,
pneumothorax,
diaphragma paralysis,
broken ribs

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33
Q

Abnormal breathings

A

Cheyne-stokes
Kussmaul
Biots

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34
Q

EXAMINATION of THORAX

• PALPATION

A
  • Temperature of the skin comparing the symmetrical areas, look for painful places palpating all intercostal spaces from up to down
  • Fremitus pectoralis we can find it during dry pleurisy, bronchitis, fibrinous pericarditis, stenotic cardial valves or valve insufficiency
  • Painfullness
  • Deformities
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35
Q

Fremitus pectoralis

A

we can find it during dry pleurisy,
bronchitis,
fibrinous pericarditis,
stenotic cardial valves or valve insufficiency

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36
Q

Resp tract history

A

signs (exact complain, duration, progression)
nasal discharge, coughing, abnormal sounds associated with breathing, abnormal vocalization, dyspnoe, sneezing, stridor
• vaccination
• deworming program
• medications
• type of housing
• health stage and performance of other animals
• age
• type of environment

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37
Q

resp. tract general impression

A 
level of consciousness
• behavior
• posture
• locomotion
• nutritional condition • grooming state
• abnormal sounds
• abnormal respiration
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38
Q

resp tract STEPS of the EXAMINATION

A
  1. nose and paranasal sinuses
  2. coughing
  3. larynx and pharynx
  4. trachea
  5. thorax
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39
Q

nose and paranasal sinuses methods

A
  • external and internal inspection
  • palpation
  • percussion
  • smelling
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40
Q

nose and paranasal sinuses FURTHER EXAMINATIONS

A
  • cytological, bacter., mycologic and parasitic examination of the nasal fluid
  • probing nasal passages
  • X-ray
  • endoscopy (rhinoscopy, sinuscopy in horse) -diagnostic punction
  • biopsy
  • diagnostic rhinotomy
  • CT, MRI
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41
Q

nose and paranasal sinuses What to check

A
  1. Shape, form of the nose
  2. Occurrence of nasal stridor
  3. Expired air
  4. Occurrence of nasal discharge
  5. Nasal plane
  6. Nasal openings (nostrils), mucous membranes 7. Palate, nasopharynx
  7. Paranasal and frontal sinuses
  8. Guttural pouches in equide
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42
Q

Occurrence of nasal stridor

normally:

A

faint regular noise during expiration

in pigs, brachycephal dogs the noise is more intensive

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43
Q

Occurrence of nasal stridor

Abnormally:

A
  • stridor (during inspir. or expir. or both)
  • narrowed air passages (localiz. and side of narrowing)
  • sneezing (important reflex which protect the respir. syst) -in dogs, young horses: often normal, cats: rhinotracheitis -in rabbits: about rhinitis
  • snoring, stertor (in pigs and brachycephal dogs) -reverse sneezing
  • singultation ( in puppies and young thoroughbreds)
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44
Q

Nasal stridor

A

sniffing sound

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45
Q

Pharyngeal stridor

A

snorring sound

46
Q

Laryngeal stridor

A

soft „sawing” sound

47
Q

Collapsed trachea

A

expiratory! tooting sound

48
Q

Larynx paralysis

A

inspiratory stridor

49
Q

Narrow trachea, bronchus

A

mixed stridor

50
Q

Occurrence of nasal stridor

A
  • purring (in cats)
  • noises caused pain
  • groaning (in horses rarely, in cows often) -signing (in cows)
  • puling, howling (in dogs)
  • shrieking (in pigs)
  • alteration of voice (rabies) -noiseless
  • panting (in dogs)
51
Q

Expired air

A
  • strength
  • symmetry
  • temperature
  • odor
52
Q

Occurrence of nasal discharge

A

-continuity (permanent/periodic)
-side (left/right/both)
-quantity
-quality: consistency
(watery, mucous, mucopurulent, hemorrhagic, foamy, contains food intake, foreign material, or debris)
color
-odor
Further examination: lower the head of the horse

53
Q

Nasal plane

A

-surface (intactness)
-colour
-moisturness
in most animals usually moist, intact, pigmented

54
Q

Nasal openings, nostrils

A
  • shape of the nostrils
  • width
  • movability of the nasal alae
  • symmetricy
  • mucous membranes
55
Q

Palate, nasopharynx

A

(examination by opening the animal’s mouth)

  • with or without optical instruments
  • dental mirror, endoscopy (in horse ONLY by endoscopy)
56
Q

paranasal and frontal sinuses

A
  • inspection
  • palpation
  • percussion
  • endoscopy (in horse)
  • X-ray
  • diagnostic punction
57
Q

All of them sinuses

A 
• sinus maxillares
• sinus frontalis
• sinus lacrimalis
• sinus palatinus
• sinus sphenoidalis
sinus maxillares
sinus frontalis
sinus ethmoidale sinus sphenopalatinae
58
Q

Guttural pouches in horse

A
  • localization
  • examination
  • inspection
  • palpation
  • percussion
  • endoscopy
  • X ray
59
Q

Normal finding for the nose

A

The outline of the nose is characteristic on the breed, symmetrical.
The temperature is the same as the surroundings,
the palpation is not painful.
The percussion sound is sharp, bone-like above the bones Faint regular noise during expiration.
The expired air is medium strong, warm, symmetrical, the odor is characteristic on the breed.
The nostrils have regular shape and symmetrical width. The nasal alae are not moving during in- and expiration. The outer inspection and palpation of the paranasal sinuses don’t prove any abnormalities,
any sign of swelling or asymmetry,
the skin is intact,
the temperature is the same as the surroundings,
the palpation is not painful,
the percussion sound of the paranasal sinuses is sharp, bone-like sound.
The nasal plane is moist, intact, has black color, there is no nasal discharge.
The soft and hard palate are intact, moist, pinkish red.
The mm of the nose is intact, smooth, shiny, light pink.

60
Q

COUGHING

A

Important reflex by which the respiratory system protects itself against injury and foreign material

• the reflex can occur via stimulation of the airways anywhere from the larynx to the larger bronchi

61
Q

coughing Standpoints of examination

A

-origin (spontaneous or stimulated)
-frequency (rare, frequent, paroxysmal)
-strength (weak, medium intense, intense, with or
without snap)
-tone (sharp, dull, barking, rattling, roaring, hoarse)
-occurrence (during night, mornings, in the daytime, continuously, only in special environment)
-duration (short, medium long, long, held) -secretion content (dry, medium wet, wet)
-painful or painless
-deepness (superficial or deep or medium deep)
-localization of origin -the quality of sputum

62
Q

Larynx cough

A

– episodical,heavy,gagging/retching,tendencytovomit

– Larynx paralysis: deep, long, hars

63
Q

– Tracheitis cough

A

loud, explosive barking like

64
Q

tracheal collapse cough

A

goose honking cough

65
Q

Bronchi cough

A

– acute phase: pattern  tracheitis

– chronic phase: mucus, pus, wet, rough

66
Q

Lung emphysema, chronic bronchitis cough

A

short, weak, dry

67
Q

Pneumonia cough

A

soft

68
Q

Cardiac disease cough

A

wet, hacking

69
Q

Horse cough stimulation

A

press the larynx with one hand or two hands if it unsuccessful, press the tracheal rings near to the larynx

healthy horse doesn’t cough spontaneously, cough stimulation is difficult, hardly can be done. Stimulated coughing is intensive, sharp, high, short, dry, painless, snapping, does not recur

70
Q

Cow cough stimulation

A

close mouth and nasal occlusion with hands or
plastic bag until air hunger

healthy cow doesn’t cough spontaneously, cough stimulation is difficult. Stimulated coughing is medium intensive or week, medium deep, more dull, held, dry, painless, unsnapping, does not recur

71
Q

SMALL RUMINANTS and DOG -CATS

• stimulation cough

A

pressing the tracheal rings or pressing the thorax
very rapidly during expiration

• characteristics: sheep and goat
Stimulated cough is weak, deep, groaning-like, dry, medium held, painless, does not recur

dog and cat
Stimulated cough is medium held, unsnapping, medium intensive, medium deep, dry, sharp, painless, does not recur

72
Q

LARYNX and PHARYNX

• METHODS

A

-external and internal examination
-inspection -palpation -auscultation
• FURTHER EXAMINATION -X-ray
-endoscopy

73
Q

LARYNX and PHARYNX

• EXTERNAL EXAMINATION

A
  • inspection
  • skin, deformity, swelling, symmetricy -palpation
  • form, outline, muscles, surface of larynx, abnormal masses
  • compressionability and press sensitivity of the arytenoids
  • temperature, painfulness -fremitus
  • auscultation
  • normally weak stridor under inspiration and expiration
74
Q

LARYNX and PHARYNX

• INTERNAL EXAMINATION

A
  • inspection
  • epiglottis
  • nasopharynx
  • symmetry and synchronous movement of the arytenoids
  • rima glottidis
  • color, capillaries and deformation of mucous membranes
75
Q

TONSILLA

A 
• size, shape
 •Semilunar fold 
•Colour
 •Surface
 symmetry
76
Q

TRACHEA

• METHODS

A
  • external inspection
  • palpation
  • auscultation

• FURTHER EXAMINATION
-X-ray
-endoscopy
-tracheal fluid sample
-via endoscope or transtracheal aspiration
-tracheal fluid analysis
(quality, cytological, bacteriologic, mycological, virologic and parasitologic examination)

77
Q

Physical basis of the origin of the respiratory sounds

A
  1. Air flow from the higher to the lower pressure place
  2. Narrowing in the way of air

Turbulence in the airways +
resonance of the connective tissue

Turbulence depends on the diameter of the airways and the speed of the airstream

78
Q

Physiologic basic (normal) respiratory sound

A

Blow-like sound,developed in the upper airways
Stronger during inspiration and
slighter during expiration

Contains:
1. Weak stenotic noise originated from the nose and pharynx conducted through the bronchus, lung, chest wall
2. Weak blow noise turbulence before tracheal bifurcation or branch of larger bronchi, after bifurcation laminar spread
• In small bronchi and alveoli do not originate respiratory sounds!

79
Q

How can reach the respiratory sound our ears?

A

Resonance
soundlungchest wall diminish 
some of it reflected from bordering places depending on acoustic impedance

• Acoustic impedance
(density of the material x speed of the sound)

  1. if the impedance of the tissues are quite similar (as when an infiltrated lung lies against the thoracic wall) large part of the sound is transmitted
  2. if different, the intensity of the sound is diminished/reduced (healthy lung, chest wall)
80
Q

Directly audible sounds (ear)

A

– Nose (discharge, tumour, polyp, nasopharyngeal stenosis)
– Larynx (paralysis, collapse, oedema, laryngitis, tumour)
– Trachea (collapse, trauma, tumour)

81
Q

Indirect auscultation (stethoscope)

A

– Larynx
– Trachea
– Thorax

82
Q

Normal (physiological) respiratory sound

A

Soft, blowing sound
Stronger in carnivores, sometimes bronchial like
Bovine: strong, rugged
“f” sound (air sucking)

83
Q

Bronchial sound

A

Strong, audible blowing sound
“h” sound during ex/inspiration

Above the normal larynx and trachea Lung contains less air

84
Q

Bronchial like sound

A

Deeper, softer, harsher than the bronchial sound

“f” - “h” sounds together
carnivores: physiologic
Above the normal larynx and trachea Lung contains less air

85
Q

Weaker than normal resp.sound

A

Decreased airflow/ conduction shallow breathing

Thickened chest wall, decreased elasticity of the lung, hampered expansion of the lung

86
Q

Missing resp.sound

A

No conduction

Pleural adhesion or fluid accumulation,
obstruction of pr. br. atelectasia of the lung

87
Q

Louder (harsher) than normal resp.sound

A

Increased airflow / conduction

Exercise, dyspnea, bronchitis, thin chest wall

88
Q

Bronchial resp. sound 1

A

can be heard above the larynx and trachea under physiological conditions
• produced by a stenotic effect of the relatively solid (cartilagineous) airway of the larynx, trachea
• it is due to vortex formation of the inhaled air within the gradually narrowing passages of the upper respiratory tract
• blowing in character and resembles a prolonged syllable “ch„

89
Q

Bronchial-like resp. sound:

A

between normal and bronchial sounds
• quieter, deeper, rougher than bronchial
• can be normal during inhalation in cow/ dog/ cat/ swine
• always abnormal during exhalation

90
Q

Bronchial respiratory sound II.

A

Normally audible: only during inhalation

  • over the larynx and trachea
  • in small animals and in very thin large animals only over the largecranial bronchi
  • in other large animals less distinctly heard
  • best heard over the anterior part of the respiratory area where the larger bronchi are relatively near to the surface of the body (large bronchial area)
91
Q

Bronchial respiratory sound III.

A

Caused: stiffer bronchial wall/infiltration around the bronchial wall +/- more powerful airflow („pipe resonance”)
Abnormal:• during exhalation always

• during rapid respiration above narrower upper airways
(the turbulence is so intensified that the borders of turbulence are extended, therefore it can be heard more caudally)
• when peribronchial lung tissue contains less air (increased structural density) e.g.
• bronchitis / pneumonia / pulmonary neoplasia
• over air-containing cavities
• dorsal to the pleural fluid level
• pneumothorax

92
Q

Stridor

A

Strong stenotic sound

Upper airway stenosis

93
Q

Rubbing sound

A

friction sound

Rubbing of pleural surfaces

94
Q

Splasing sound

A

Gas and fluid movement

95
Q

Metallic sound

A

Fluid drops on fluid

Ichorous exudate in caverns (aspiration pneumonia)

96
Q

sonorous/resonant:

A

fairly low, strongly resonant

air containing organ, e.g. normal lungs

97
Q

damped/dull:

A

short sound of low intensity

any organ not containing gas: liver, heart, muscle

98
Q

tympanic

A

(stronger, longer, higher than sonorous,
higher in pitch)
(striking a hollow organ containing gas under
pressure, e.g. gastric volvulus)

99
Q

Indications of thoracic percussion

A

determination the caudal borders of the lungs
- estimation the gas content of the organs
(increased or decreased)
- comparative percussion
(left and right side)

100
Q

normal percussion sound of the thorax (lungs

large animals

A 
(40-500 bwkg): 
sharp,
 low, 
(non)sonorous 
(non)resonant
and short percussion sound
101
Q 
normal percussion sound of the thorax (lungs
Small animals (25-40 kg bwkg):
A

sharp,
high or low,
sonorous (resonant)
and long percussion sound

102
Q

Horse lung borders

A 
ribs 18
back muscles 17
tuber coxae 16
tuber ischiadicum 14
shoulder 10
103
Q

Ruminants lung borders

A 
ribs 13
back muscles 12
tuber coxae 11
tuber ischiadicum NO
shoulder 8
104
Q

Swine lung borders

A 
ribs 14
back muscles 12
tuber coxae 11
tuber ischiadicum 9
shoulder 7
105
Q

lung borders dog cat

A 
ribs 13
back muscles 12
tuber coxae 11
tuber ischiadicum 10
shoulder 8
106
Q

Displacement of the caudal border backwards and downwards:

A

alveolar and interstitial lung emphysema

COPD = RAO

107
Q

Decrease of the percussion area of the lungs:

A 
abdominal distention due to
•distention of stomach or intestine •enlarged liver
•pregnancy
•ascites
•large intraabdominal tumor
108
Q

„Elevation” of the caudoventral border:

A

increase of the cardiac dullness (cardiomegaly or pericardial effusion)

109
Q

Relative or incomplete dullness

A

weak, high, short, nonmusical sound

110
Q

Absolute (complete) dullness:

A

even weaker and shorter sound than relative dullness

thickened thoracic wall (edema, pleural adhesions, ++ conjective tissue decreased gas content of the lungs (pneumonia, edema, neoplasm)

pleural effusion (horizontal dorsal border!) caused by hydrothorax, pleuritis, haemothorax or chylothorax
atelectatic abdominal organs (full stomach, spleen, liver)

atelectatic solid masses or masses filled with fluid within the thorax

111
Q

Diernhofer triangle including

A

air-containing lung lobe between the diaphragm and the caudal border of the heart

Clinical diagnostics (7 decks)

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