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95 Cards in this Set
- Front
- Back
muscles that help inspire, how do they move the chest
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external intercostals
- increase the AP chest diameter during inspiratiton |
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muscles that help expire, how do they move the chest
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internal intercostals
-decrease the lateral diameter during expiration |
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upper limit of the lungs anteriorly and posteriorly
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antriorly- 4cm above the first rib
posteriorly- T1 |
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lover limit of the lungs anteriorly and posteriorly
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anteriorly - T6
postrioely- T10 |
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dimensions of trachea
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10 to 11 cm long and 2cm in diameter
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blood supply of the lungs
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bronchial arteries from anterior thoracic aorta and intercostal arteries
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reasons and dysfunctions associated with barrel chest
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Reason: compromised respiration and air trapping
dysfunctions- chronic asthma, emphysema, cystic fibrosis |
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define bradypnea
dysfunctions |
- breath rate slower than 12 bpm
- neurologic or electrolyte disturbance, infection or response to pain or other irritative phenomena |
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define hyperventilation
dysfunction |
- faster than 20 bpm, deep breathing
- exercise, anxiety, CNS leasion or metabolic disease |
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define Kussmaul breathing
dysfunction |
- deep, rapid and labored
- associated with metabolic acidosis |
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define chyne-stokes respiraiton (periodic breathing)
dysfunction |
- varying periods of increasing depth interspersed with apnea
- in patients who are seriously ill, brain damage at cerebral level, drug-associated respiratory compromise |
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define Sigh
dysfunction |
frequently interspersed deeper breath (sigh)
- emotional distress, incipient episode of hyperventilation |
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define air trapping
dysfunction |
increasing difficulty in getting breath out. rate of respiration increases, amoutn of air getting trapped in lungs increase
- result of prolonged but inefficient expiratory effort |
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define Biot
dysfunction |
irregularly interspaced periods of apnea in a disorganized sequence of breaths
- severe and persistent increased intracranial pressure, respiratory compromise from drug poisoning, brain damage at medulla |
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define ataxic breath
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significant disorganization with irregular and varying depths of respiration ( extreme Biot)
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describe primary apnea
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self-limiting condition usually happens after a blow to the head or newly porn babies. respiration continues after enough carbon dioxide accumulates
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describe secondary apnea
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breathing stops and doesn't begin spontaneously unless resuscitative measures are immediately instituted
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describe reflex apnea
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when irritating and nausea-provoking vapors or gases are inhaled, there can be an invlountary, temporary halt to respiration
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define retractions
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when the chest wall seems to cave in at various points
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type of breathing heard when obstruction is high on the respiratory tree
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stridor
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describe paradoxical breathing
why does it happen |
- on inspiration, lower thorax is drawn in. on expiration, it buldges
- happens when negative intrathoracic pressure is transmitted to the abdomen by a weakened, poorly functioning diaphragm, obstructive airway disease or during sleep in upper airway obstruction |
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a foreign body in bronchus causes what type or retraction
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unilateral
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retraction of lower chest happens in what
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asthma and bronchiolitis
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signs of upper airway obstruction
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inspiratory stridor
hoarse cough or cry flaring of the alae or cry retraction at the suprasternal notch |
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signs of severe obstruction
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stridor is inspiratory or expiratory
cough is barking retractions in substernal and intercostal spaces cyanosis is obvious even with supplemental oxygen |
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when obstruction is above glottis
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stridor is quieter
voice is muffled swallowing is more difficult no cough head and neck akward |
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when obstruction is below glottis
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stridor thends to be louder, more rasping
voice is hoarse swallowing not affected couch in harsh, barking head position not a factor |
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define crepitus
dysfunction |
cracly or crinkly sensation, can be both palapted and heard- gentle, bubbly feeling
- indicates air in subcutaneous tissue from a rupture somewhere in the respiratory system or by infection with a gas-producing organism |
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define and causes of pleural frictions
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a palpable, coarse, grating vibration, usually on inspiration caused by inflammation of the pleural surface
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best place to feel fremitus
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parasternally at the second intercostal space at the level of the bifurcation of the bronchi
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hyperresonance associated with hyperinflation suggests what
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emphysema
pneumothorax asthma |
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dullness or flatness suggests what
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pneumonia
atelectasis pleural effusion pneumothorax asthma |
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sweet, fruity odor
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diabetic ketoacidosis, starvation ketosis
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fishy, stale odor
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uremia (trimethylamines)
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ammonia-like odor
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uremia (ammonia)
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musty, fishy, clover odor
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fector hepaticus; hepatic failure, portal vein thrombosis, portacaval shunts
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foul, feculent odor
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intestinal obstruction
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foul, putrid odor
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nasal/sinus pathology, infection, foreign body, cancer; respiratory infections; empyema, lung abscess, bronchiectasis
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halitosis odor
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tonsillitis, gingivitis, respiratory infections, vincent angina, gastroesophageal reflux
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cinnamon odor
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pulmonary tuberculosis
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describe resonant tone
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loud intensity
low pitch long duration hollow quality |
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describe flat tone
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soft intensity
high pitch short duration very dull quality |
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describe dull tone
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medium intensity
medium to high pitch medium duration dull thud quality |
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describe tympanic tone
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loud intensity
high pitch medium duration drum like quality |
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describe hyperresonant tone
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very loud intensity
very low pitch longer duration boom like quality |
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define crepitus
when do you get crepitus |
crackly or crinkly sensation, can be palpated or heard- a gentle, bubbly feeling
indicated air in subcutaneous tissue from a rupture somewhere in the respiratory system or by infection with gas-producing organism |
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patients symptoms and behavior when there is an anterior mediastinal mass
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may cause stridor
difficulty breathing patients may sit up and lean forward to relieve compression |
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describe vesicular breath sounds
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low pitched
low intensity soft or short expirations heard over healthy lung tissue |
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describe bronchovesicular sounds
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moderate pitch
moderate intensity expiration equals inspiration |
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describe bronchial breath sounds
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highest pitch and intensity
long expirations heard over trachea |
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define amphoric breathing
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resembles noise made by blowing across the mouth of a bottle
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when do you hear amphoric breathing
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large, relatively stiffed-walled pulmonary cavity
tension pneumothorax with bronchopleural fistula |
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define cavernous breathing
when is it commonly heard |
sounds as if coming from a cavern
over pumonary cavity in which wall is rigid |
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when are breath sounds absent
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fluid or pus has accumulated in pleural space
secretions or a foreign body obstructs the bronchi lungs are hyper inflated breathing is shallow from splinting because of pain |
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when are breath sounds heard easier
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lungs are consolidated
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describe fine crackles
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high-pitched, discrete, discontinuous cracking sound heard during the end of inspiration not cleared by couch
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describe medium crackles
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lower, more moist sound heard during the midstage of inspiration; not cleared by couch
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describe coarse crackles
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loud, bubbly noise heard during inspiration; not cleared by a cough
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describe rhonchi (sonorous wheezing)
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loud, low coarse sounds like a snore most often heard continuously during inspiration or expiration; couching may clear sounds
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describe wheeze (sibilant wheeze)
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musical noise sounding like a squeak; most often heard continuously during inspiration or expiration; usually louder during expiration
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define mediastinal crunch (Hamman sign) and when is it found
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variety of sounds- loud crackles, clicking, gurglung and are synchronous with heart beat. more pronounced towards the end of respiration
found in mediastinal emphysema |
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what causes moist couch
what causes dry couch |
moist- caused by infection and can be accompanied by sputum production
dry- variety of causes |
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acute onset of cough with fever suggest?
absence of fever |
with fever- infection
without fever- foreign body or inhaled irritants |
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infrequent cough suggests what
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caused by allergens or environmental insults
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snoring and gurgling suggest what location
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nasopharynx
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stridor suggest what location
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glottis
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wheezing suggests what location
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lower respiratory tree
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sputum characteristics of bacterial infection
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yellow, green, rust, clear, or transparent, purulent, blood streaked; mucoid, viscous
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sputum characteristics of viral infection
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mucoid, viscid,; blood streaked (not common)
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sputum characteristics of chronic infectious disease
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all characteristics, particularly abundant in the morning
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sputum characteristics of carcinoma
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slight, persistent, intermittent blood streaking
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sputum characteristics of infarction
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blood clotted; larger amounts of blood
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sputum characteristics of tuberculous cavity
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occasional large amounts of blood
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when are lung sounds best heard
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when consolidation
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Apneustic breathing
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characterized by a long inspiration and what amounts to expiration apnea. neural center for control is pons. breathing can become gasping because inspirations are prolonged and expiration constrained
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lesion in pons will do what to breathing
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increase rate and depth
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lesion in cerebrum will do what to breathing
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decrease the rate and depth of breathing
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if a patient has CHF where should you start to osculate and why
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at the base of the lung to detect crackles that may disappear with continued exaggerated respiration
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what can a patient have in sickle cell disease
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pulmonary infarction and pulmonary crisis
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a regular paroxysmal cough is heard in what
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pertussis
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when does a change to erect posture cause cough
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with nasal drip or pooling of secretions in the upper airway
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what causes brassy cough
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compression of respiratory tree
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what causes hoarse cough
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coup
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what is the quality of pertussis cough
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inspiratory whoop at the end of paroxysm of cough in older children and adults
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dimensions of the chest of a newborn
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30 to 36 cm
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newborn resp
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30 to 80
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1 year resp
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20 to 40
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3 year rsp
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20 to 30
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6 year rsp
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16 to 22
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10 year rsp
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16 to 20
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17 year rsp
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12 to 20
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leading ddxs if the roundness of chest persists past 2 years
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COPD
cystic fibrosis |
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how does a pregnant woman increase ventilation
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by breathing more deeply
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signs of acute bacterial pneumonia
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flaring of nasi
tachypnea possible productive cough in absence of crackles |
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unexplained by persistent tachycardia may clue what
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minimal pneumothorax
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