5 Questions
What is the definition of paroxysmal nocturnal dyspnea?
Episodes of sudden onset of dyspnea during sleep
What is the timing of dyspnea in recumbent posture in comparison to paroxysmal nocturnal dyspnea?
During sleep
How is paroxysmal nocturnal dyspnea relieved?
Upright after waking up
What is the mechanism behind paroxysmal nocturnal dyspnea?
Increased sympathetic activity during REM sleep
What specific causes are associated with paroxysmal nocturnal dyspnea?
Aortic valve dysfunction and LV cardiomyopathy
Test your knowledge of dyspnea in COPD with this quiz based on information from Chapter 1 of the Cardiology textbook. Questions cover topics such as respiratory volume, chemoreceptors, airway resistance, and causes of dyspnea in COPD.
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