What do rales on auscultation indicate?
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Rales heard on auscultation can indicate various conditions depending on their characteristics. In heart failure, secondary aldosteronism can lead to cardiac arrhythmias and myocardial fibrosis, affecting ventricular compliance . Velcro rales, a specific type of crackles, are associated with lung fibrosis and interstitial lung disease, with potential for automated identification using Hilbert–Huang transform . In bronchial asthma, rales during natural attacks and exercise-induced asthma correlate with attack severity and decreased pulmonary function, with differences in rale characteristics between the two conditions . In silicosis, the presence of rales may indicate physiological impairment, especially in simple cases, while their usefulness diminishes in complicated silicosis . The publication of studies on spironolactone in heart failure coincided with increased use but also highlighted potential hyperkalemia risks, emphasizing the importance of monitoring for adverse effects during treatment .
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Open access•Journal Article 1 Citations | Rales on auscultation typically indicate abnormal lung sounds associated with conditions like heart failure, where excess aldosterone levels contribute to fluid retention and congestion, as discussed in the RALES study. |
| Rales on auscultation in children with bronchial asthma indicate bronchial constriction, with differences between natural attacks and exercise-induced asthma, suggesting central bronchial involvement in EIA. | |
14 Citations | Rales on auscultation, specifically Velcro rales, are indicative of lung fibrosis and often the initial sign of interstitial lung disease (ILD), as highlighted in the research utilizing Hilbert-Huang transform. |
3 Citations | Rales on auscultation in silicosis indicate different types of crackles, rhonchi, or wheeze, serving as indicators of physiological impairment, especially in simple silicosis, but less so in complicated cases. |
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