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14 Cards in this Set
- Front
- Back
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Discontinuous Sounds
Crackles (fine) Characteristics |
high pitched, short, popping sounds
heard during inspiration not cleared with cough ex: rolling strand of hair between fingers |
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Discontinuous Sounds
Crackles (fine) Source |
inhaled air suddenly open the small deflated air passages that are coated and sticky with exudate
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Discontinuous Sounds
Crackles (fine) Associated Conditions |
occur during late inspiration
restrictive diseases: pneumonia CHF occur during early inspiration obstructive disorders: bronchitis asthma emphysema |
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Discontinuous Sounds
Crackles (coarse) Characteristics |
Low pitched, bubbling, moist sounds
persist from early inspiration to early expiration ex: softly separating Velcro |
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Discontinuous Sounds
Crackles (coarse) Source |
Inhaled air comes into contact with secretions in the large bronchi and trachea
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Discontinuous Sounds
Crackles (coarse) Associated Conditions |
may indicate:
pneumonia pulmonary edema pulmonary fibrosis - "velcro rales" heard louder and closer to stethoscope, don't change location, more common in long-term COPD |
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Continuous Sounds
Pleural friction rub Characteristics |
low-pitched, dry, grating sound
like crackles only more superficial occurs during both inspiration and expiration |
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Continuous Sounds
Pleural friction rub Source |
result of rubbing of two inflamed pleural surfaces
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Continuous Sounds
Pleural friction rub Associated Conditions |
Pleuritis
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Continuous Sounds
Wheeze (sibilant) Characteristics |
high-pitched, musical sounds
heard during expiration but also during inspiration |
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Continuous Sounds
Wheeze (sibilant) Source |
air passes through constricted passages (caused by swelling, secretions, or tumor)
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Continuous Sounds
Wheeze (sonorous) Characteristics |
Low-pitched snoring or moaning sounds
heard primarily during expiration but also heard throughout respiratory cycle may clear with cough |
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Continuous Sounds
Wheeze (sonorous) Source |
air passes through constricted passages
wheeze cannot be correlated to the size of passageway that generates it |
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Continuous Sounds
Wheeze (sonorous) Associated Conditions |
heard in cases of:
bronchitis single obstructions snoring before sleep apnea stidor - harsh honking wheeze with severe bronchiolaryngospasm (croup) |
