Pulmonary Flashcards
Muscles of expiration
Rectus abs
Transverse abs
Internal/external obliques
Eupnea
Normal breathing
Heard over the lungs. Soft rustling heard throughout all of inspiration andthe beginning of expiration. Is normal, unlabored breathing
Vesicular sounds
Heard over 1st and 2nd intercostal spaces and the interscapularregion
Bronchovesicular sounds
Hallow, echoing. Normally found only over the right superior anterior
thorax through right main stem bronchus. All inspiration and expiration. Normallyheard over the manubrium
Bronchial sounds
Normal PaCO2
35-45
HCO3 normal
22-26
Metabolic acidosis
HCO3 less than 22
PH less than 7.4
Metabolic alkalosis
HCO3 more than 26
Ph more than 7.4
Respiratory acidosis
PaCO2 more than 45
PH less than 7.4
Respiratory alkalosis
PaCO2 less than 35
PH more than 7.4
Volume of gas inhaled (or exhaled) during a normal resting breath (10% of TLC
Tidal volume
Volume of gas that can be inhaled beyond a normal resting tidal inhalation. Makes up 50% of total lung volume
Inspiratory reserve volume (IRV)
Volume of gas that can be exhaled beyond a normal resting tidal exhalation, if forced. Makes up 15% of total lung volume
Expiratory reserve volume (ERV)
Volume of gas that remains in the lungs after ERV has beenexhaled. Makes up 25% of total lung volume
Residual volume
IRV + TV
60%
Inspiratory capacity
IRV + TV + ERV
75%
Vital capacity
ERV + RV
Functional residual capacity
Gasping inspiration followed by short expiration
Apneustic
An irregular pattern of deep and shallow breaths; fast deep breathsinterspersed with abrupt pauses in breathing
Biot’s respiration (ataxia)
Distressing dyspnea characterized by increased respiratory rate, increased depth of respiration, panting, and labored respiration typical or air hunger
Kussmaul’s breathing
All or part of the chest wall falls in during inspiration; may be abdominal
expansion during exhalation; can lead to a flattened anterior chest wall orpectus excavatum
Paradoxical breathing
Rales, rattling or bubbling sounds that occur owing to secretions in the air
passages of the respiratory tract. Apparent in patients with CHF. Indicatesatelectasis (alveoli deflated), fibrosis, pulmonary edema
Crackles
Snoring sounds
Stertor
Abnormal transmission of vocal sounds, nasal or bleating sound. “E” sounds are transmitted to sound like “A”. Fluid filled areas of consolidation, cavitation
lesions, or pleural effusions
Egophany