Question 1

What does tracheal deviation indicate during respiratory palpation?

Accepted Answer

Tracheal deviation, a displacement of the trachea from its normal midline position, signals serious conditions requiring urgent attention. Tracheal shift toward the unaffected side typically indicates tension pneumothorax or large pleural effusion. This finding during physical assessment of the respiratory tract palpation helps clinicians identify life-threatening pathology and guide immediate intervention.

Question 2

How does tactile fremitus change with pneumonia versus pleural effusion?

Accepted Answer

Tactile fremitus, vibrations felt on the chest wall during speech, changes distinctly with different conditions. Increased fremitus occurs in pneumonia or pulmonary edema, where fluid or consolidation enhances vibration transmission. Conversely, decreased fremitus appears in pleural effusion or pneumotharax, where air or fluid interrupts transmission of these vibrations.

Question 3

What respiratory conditions cause fine crackles versus coarse crackles?

Accepted Answer

Fine crackles are short, high-pitched sounds at the end of inspiration associated with pneumonia, idiopathic pulmonary fibrosis, or early pulmonary edema. Coarse crackles are longer, lower-pitched sounds indicating more severe fluid accumulation, as seen in heart failure or severe pulmonary edema. Each crackle type reflects different degrees of airway and parenchymal involvement.

Question 4

What do rhonchi and wheezes reveal about airway obstruction?

Accepted Answer

Rhonchi are continuous, low-pitched sounds resembling snoring caused by obstructions in larger airways due to mucus, often indicating COPD or cystic fibrosis. Wheezes are high-pitched, musical sounds during expiration reflecting narrowed airways from bronchospasms, foreign bodies, or tumors. Both abnormal sounds indicate different levels and types of airway compromise.

Question 5

How does stridor differ from other abnormal respiratory sounds?

Accepted Answer

Stridor is a high-pitched, wheezing sound notably during inspiration, caused by obstructions at the trachea or larynx level, seen in croup or foreign body aspiration. Unlike wheezes occurring during expiration or rhonchi from larger airway mucus, stridor specifically indicates upper airway obstruction requiring prompt evaluation and intervention.

Question 6

What does unequal chest movement suggest about lung disease?

Accepted Answer

Unequal chest movement during breathing often occurs in unilateral lung diseases such as atelectasis, pneumotharax, or pleural effusion. This asymmetrical expansion indicates that one lung is not functioning normally. Generalized decreased chest movement, conversely, suggests restrictive lung diseases or respiratory muscle weakness affecting both sides.

Question 7

What do voice sound changes like bronchophony and egophony indicate?

Accepted Answer

Voice sound changes including bronchophony, whispered pectoriloquy, and egophony reflect enhanced lung density that carries sound more efficiently. These findings are typically pronounced in pneumonia or pleural effusion, where consolidation or fluid increases sound transmission through lung tissue, helping clinicians identify areas of pathology.

Constatations anormales du système respiratoire II : palpation et auscultation

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