Question 57 (part 2) · LEK · Cross-cutting topics
The pleural friction rub:
- A. is audible only on inspiration.
- B. is audible only on expiration.
- C. is audible both on inspiration and expiration.
- D. is a manifestation of pleuritis and therefore does not occur in pulmonary embolism.
- E. is never accompanied by pericardial friction rub, which it should be differentiated with.
Hint
The rub comes from inflamed pleural layers sliding over each other – when during breathing do they move?
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